How to make a billboard gui disappear when a button is stepped on?

Here is the purchase handler. This is a tycoon i am trying to make which is based off of ZTK but i want to have custom text instead of the ugly roblox default text.~~~~~~~~~~~~~~~~~

~~~~~~~~~~~~~~~~~ --[[ All configurations are located in the "Settings" Module script. Please don't edit this script unless you know what you're doing. --]] local Objects = {} local TeamColor = script.Parent.TeamColor.Value local Settings = require(script.Parent.Parent.Parent.Settings) local Money = script.Parent.CurrencyToCollect local Debris = game:GetService('Debris') local Stealing = Settings.StealSettings local CanSteal = false -- don't change or else you won't be able to steal currency

script.Parent.Essentials.Spawn.TeamColor = TeamColor
script.Parent.Essentials.Spawn.BrickColor = TeamColor

function Sound(part,id)
    if part:FindFirstChild('Sound') then
        return
    else
        local Sound = Instance.new('Sound',part)
        Sound.SoundId = "rbxassetid://"..tostring(id)
        Sound:Play()
        delay(Sound.TimeLength, function()
            Sound:Destroy()
        end)
    end
end

--Parts that fall into the collector(s) get processed
for i,v in pairs(script.Parent.Essentials:GetChildren()) do
    if v.Name == "PartCollector" then
        v.Touched:connect(function(Part)
            if Part:FindFirstChild('Cash') then
                Money.Value = Money.Value + Part.Cash.Value
                Debris:AddItem(Part,0.1)
            end
        end)
    end
end

--Player Touched Collector processor
deb = false
script.Parent.Essentials.Giver.Touched:connect(function(hit)
    local player = game.Players:GetPlayerFromCharacter(hit.Parent)
    if player ~= nil then
        if script.Parent.Owner.Value == player then
            if hit.Parent:FindFirstChild("Humanoid") then
                if hit.Parent.Humanoid.Health > 0 then
                    if deb == false then
                        deb = true
                        script.Parent.Essentials.Giver.BrickColor = BrickColor.new("Bright red")
                        local Stats = game.ServerStorage.PlayerMoney:FindFirstChild(player.Name)
                        if Stats ~= nil then 
                        Sound(script.Parent.Essentials, Settings.Sounds.Collect)
                        Stats.Value = Stats.Value + Money.Value
                        Money.Value = 0
                        wait(1)
                        script.Parent.Essentials.Giver.BrickColor = BrickColor.new("Sea green")
                        deb = false
                        end
                    end
                end
            end
        elseif Stealing.Stealing then -- if player isn't owner and stealing is on
            if CanSteal == true then
                CanSteal = false
                delay(Stealing.PlayerProtection, function()
                    CanSteal = true
                end)
                if hit.Parent:FindFirstChild("Humanoid") then
                    if hit.Parent.Humanoid.Health > 0 then
                        local Stats = game.ServerStorage.PlayerMoney:FindFirstChild(player.Name)
                        if Stats ~= nil then
                            local Difference = math.floor(Money.Value * Stealing.StealPrecent)
                            Sound(script.Parent.Essentials, Settings.Sounds.Collect)
                            Stats.Value = Stats.Value + Difference
                            Money.Value = Money.Value - Difference
                        end
                    end
                end
            else
                Sound(script.Parent.Essentials, Settings.Sounds.Error)
            end
        end
    end
end)

script.Parent:WaitForChild("Buttons")
for i,v in pairs(script.Parent.Buttons:GetChildren()) do
    spawn(function()
    if v:FindFirstChild("Head") then

        local ThingMade = script.Parent.Purchases:WaitForChild(v.Object.Value)
        if ThingMade ~= nil then
            Objects[ThingMade.Name] = ThingMade:Clone()
            ThingMade:Destroy()
        else
            --//Button doesn't have object, remove it
            error('Object missing for button: '..v.Name..', button has been removed')
            v.Head.CanCollide = false
            v.Head.Transparency = 1
            v.Head.BillboardGui.Enabled = false
        end

        if v:FindFirstChild("Dependency") then --// if button needs something unlocked before it pops up
            v.Head.CanCollide = false
            v.Head.Transparency = 1
            v.Head.BillboardGui.Enabled = false
            coroutine.resume(coroutine.create(function()
                if script.Parent.PurchasedObjects:WaitForChild(v.Dependency.Value) then
                    if Settings['ButtonsFadeIn'] then
                        for i=1,20 do
                            wait(Settings['FadeInTime']/20)
                            v.Head.Transparency = v.Head.Transparency - 0.05
                        end
                    end
                    v.Head.CanCollide = true
                    v.Head.Transparency = 0
                    v.Head.BillboardGui.Enabled = true
                end
            end))
        end

        v.Head.Touched:connect(function(hit)
            local player = game.Players:GetPlayerFromCharacter(hit.Parent)
            if v.Head.CanCollide == true then
                if player ~= nil then
                    if script.Parent.Owner.Value == player then
                        if hit.Parent:FindFirstChild("Humanoid") then
                            if hit.Parent.Humanoid.Health > 0 then
                                local PlayerStats = game.ServerStorage.PlayerMoney:FindFirstChild(player.Name)
                                if PlayerStats ~= nil then
                                    if (v:FindFirstChild('Gamepass')) and (v.Gamepass.Value >= 1) then
                                        if game:GetService("MarketplaceService"):PlayerOwnsAsset(player,v.Gamepass.Value) then
                                            Purchase({[1] = v.Price.Value,[2] = v,[3] = PlayerStats})
                                        else
                                            game:GetService('MarketplaceService'):PromptPurchase(player,v.Gamepass.Value)
                                        end
                                    elseif (v:FindFirstChild('DevProduct')) and (v.DevProduct.Value >= 1) then
                                        game:GetService('MarketplaceService'):PromptProductPurchase(player,v.DevProduct.Value)
                                    elseif PlayerStats.Value >= v.Price.Value then
                                        Purchase({[1] = v.Price.Value,[2] = v,[3] = PlayerStats})
                                        Sound(v, Settings.Sounds.Purchase)
                                    else
                                        Sound(v, Settings.Sounds.ErrorBuy)
                                    end
                                end
                            end
                        end
                    end
                end
            end
        end)
        end
    end)
end

function Purchase(tbl)
    local cost = tbl[1]
    local item = tbl[2]
    local stats = tbl[3]
    stats.Value = stats.Value - cost
    Objects[item.Object.Value].Parent = script.Parent.PurchasedObjects
    if Settings['ButtonsFadeOut'] then
        item.Head.CanCollide = false
        coroutine.resume(coroutine.create(function()
            for i=1,20 do
                wait(Settings['FadeOutTime']/20)
                item.Head.Transparency = item.Head.Transparency + 0.05
            end
        end))
    else
        item.Head.CanCollide = false
        item.Head.Transparency = 1
        item.Head.BillboardGui.Enabled = false
    end
end

function Create(tab)
    local x = Instance.new('Model')
    Instance.new('NumberValue',x).Value = tab[1]
    x.Value.Name = "Cost"
    Instance.new('ObjectValue',x).Value = tab[2]
    x.Value.Name = "Button"
    local Obj = Instance.new('ObjectValue',x)
    Obj.Name = "Stats"
    Obj.Value = tab[3]
    x.Parent = script.Parent.BuyObject
end

--// This was very rushed and is inefficent; if you plan on making something like this don't use a child added listener.
script.Parent:WaitForChild('BuyObject').ChildAdded:connect(function(child)
    local tab = {}
    tab[1] = child.Cost.Value
    tab[2] = child.Button.Value
    tab[3] = child.Stats.Value
    Purchase(tab)
    wait(10)
    child:Destroy()
end)