Why wont this gui work?

wait()
local debounce = false -- A code that keeps a function from running too many times (Don't touch that, it'll break otherwise)
local main = script.Parent.Parent.Parent
local owner = main.Owner
local income = main.Income
local tn = main.Parent.TycoonName
local price = 150 -- Price of the income upgrade (You can change the price if you want)
local priceadd = 150 -- How much money is added when the cilent upgrades the income
local incomeadd = 5 -- How much income is added when the cilent upgrades the income
local times = 1 -- How many times you can upgrade your income before it disappears
local dv = game.Workspace.Tycoon.DataValues


script.Parent.Touched:connect(function(hit)
	if (debounce == false) then
		debounce = true
		local h = hit.Parent:FindFirstChild("Humanoid")
		if (h ~= nil) then
			local p = game.Players:FindFirstChild(hit.Parent.Name)
			if (p ~= nil) then
				if owner.Value ~= p.Name then
					for GuiReveal = 1, 0, -0.05 do
						p.PlayerGui.TycoonGui.Notice.Text = "You are not the owner of this "..tn.Value.."!"
						p.PlayerGui.TycoonGui.Notice:TweenPosition(UDim2.new(0, 0, 0, 50), Out, Quad, 0.5, false)
						p.PlayerGui.TycoonGui.Notice.Transparency = GuiReveal
						wait()
					end
					wait(3)
					for GuiReveal = 0, 1, 0.15 do
						p.PlayerGui.TycoonGui.Notice:TweenPosition(UDim2.new(-1.2, 0, 0, 50), Out, Quad, 0.5, false)
						p.PlayerGui.TycoonGui.Notice.Transparency = GuiReveal
						wait()
					end
					wait(2)
					debounce = false
				return end
				if p.leaderstats.Money.Value < price then
					for GuiReveal = 1, 0, -0.05 do
						p.PlayerGui.TycoonGui.Notice.Text = "You cannot afford this! You need $"..price - p.leaderstats.Money.Value.." more to upgrade income!"
						p.PlayerGui.TycoonGui.Notice:TweenPosition(UDim2.new(0, 0, 0, 50), Out, Quad, 0.5, false)
						p.PlayerGui.TycoonGui.Notice.Transparency = GuiReveal
						wait()
					end
					wait(3)
					for GuiReveal = 0, 1, 0.15 do
						p.PlayerGui.TycoonGui.Notice:TweenPosition(UDim2.new(-1.2, 0, 0, 50), Out, Quad, 0.5, false)
						p.PlayerGui.TycoonGui.Notice.Transparency = GuiReveal
						wait()
					end
					wait(2)
					debounce = false
				return end
						'			
				if dv.IncomeProgress.Value == 0 then
					for GuiReveal = 1, 0, -0.05 do
					p.PlayerGui.TycoonGui.Notice.Text = "Zero"
				return end
				'
				if p.leaderstats.Money.Value >= price then
					p.leaderstats.Money.Value = p.leaderstats.Money.Value - price
					price = price + priceadd
					income.Value = income.Value + incomeadd
					script.Parent.Parent.Name = "Upgrade Income - $"..price
					for GuiReveal = 1, 0, -0.05 do
						p.PlayerGui.TycoonGui.Notice.Text = "Income upgraded! Your salary is now $"..income.Value.."!"
						p.PlayerGui.TycoonGui.Notice:TweenPosition(UDim2.new(0, 0, 0, 50), Out, Quad, 0.5, false)
						p.PlayerGui.TycoonGui.Notice.Transparency = GuiReveal
					end
					wait(3)
					for GuiReveal = 0, 1, 0.05 do
						p.PlayerGui.TycoonGui.Notice:TweenPosition(UDim2.new(-1.2, 0, 0, 50), Out, Quad, 0.5, false)
						p.PlayerGui.TycoonGui.Notice.Transparency = GuiReveal
					end
					if times > 0 then
						times = times - 1
					else
						if times == 0 then
							for i = 0.4, 1, 0.01 do
								script.Parent.Transparency = i
								wait()
							end
							script.Parent.Parent:Remove()
						end
					end
				end
			end
		end
		wait(2)
		debounce = false
	end
end)

Lines 53 and 58 have nothing but a ' on them so the script can't compile. You should read the output and post it rather than just copying and pasting some script and telling strangers it's broken. Line 54 has no end. "return end" on line 57 is closing the for loop on line 55.