Help with saving/loading?

This saving and loading script won't work, can anyone tell why?

plrs = Instance.new("BoolValue", game.Lighting)
plrs.Name = "plrs"
owner = "Mr1Vgy"
game.Players.PlayerAdded:connect(function(plr)
	local p = Instance.new("BoolValue", game.Lighting.plrs)
	p.Name = plr.Name
	
	local l = Instance.new("IntValue", plr)
	l.Name = "leaderstats"
	local wins = Instance.new("NumberValue", l)
	wins.Name = "Wins"
	local cash = Instance.new("NumberValue", l)
	cash.Name = "Cash"
	local items = Instance.new("Model", plr)
	items.Name = "items"
	local e = Instance.new("Model", plr)
	e.Name = "equiped"
	local bloxy = Instance.new("StringValue", plr.equiped)
	bloxy.Name = "Bloxy Cola"
	plr:WaitForDataReady()
	plr.leaderstats.Wins.Value = plr:LoadNumber("Wins", plr.leaderstats.Wins.Value)
	plr.leaderstats.Cash.Value = plr:LoadNumber("Cash", plr.leaderstats.Cash.Value)
	items = plr:LoadInstance("items")
	print('loaded stats for '..plr.Name)
	
	plr.Chatted:connect(function(msg)
		if plr.Name == owner and string.lower(msg) == "plus 500" then
			plr.leaderstats.Cash.Value = plr.leaderstats.Cash.Value + 500
		end
	end)
end)

game.Players.PlayerRemoving:connect(function(plr)
	if game.Lighting.plrs:FindFirstChild(plr.Name)then
		game.Lighting.plrs[plr.Name]:remove()
		local find = game.Lighting:FindFirstChild("fighting")
		if find then
			if find:FindFirstChild(plr.Name)then
				find[plr.Name]:remove()
				find.Value = find.Value - 1
			end
		end
	end
	plr:SaveNumber("Wins", plr.leaderstats.Wins.Value)
	plr:SaveNumber("Cash", plr.leaderstats.Cash.Value)
	plr:SaveInstance("items", plr.items)
	print('stats saved for '..plr.Name)
end)

wait(.1) -- Erm, use it in-game and not in-studio to test.
plrs = Instance.new("BoolValue", game.Lighting)
plrs.Name = "plrs"
wait(.1)
owner = "Mr1Vgy" -- ...
game.Players.PlayerAdded:connect(function(plr)
    local p = Instance.new("BoolValue", game.Lighting.plrs)
    p.Name = plr.Name

    local l = Instance.new("IntValue", plr)
    l.Name = "leaderstats"
    local wins = Instance.new("NumberValue", l)
    wins.Name = "Wins"
    local cash = Instance.new("NumberValue", l)
    cash.Name = "Cash"
    local e = Instance.new("Model", plr)
    e.Name = "equiped"
    local bloxy = Instance.new("StringValue", plr.equiped)
    bloxy.Name = "Bloxy Cola"
    plr:WaitForDataReady()
    plr.leaderstats.Wins.Value = plr:LoadNumber("Wins", plr.leaderstats.Wins.Value)
    plr.leaderstats.Cash.Value = plr:LoadNumber("Cash", plr.leaderstats.Cash.Value)
    local items = plr:LoadInstance("items") -- Don't overwrite instances, their not variables :3 items.Parent=plr
items.Name="items"
    print('loaded stats for '..plr.Name)

    plr.Chatted:connect(function(msg)
        if plr.Name == owner and string.lower(msg) == "plus 500" then
            plr.leaderstats.Cash.Value = plr.leaderstats.Cash.Value + 500
        end
    end)
end)

game.Players.PlayerRemoving:connect(function(plr)
    if game.Lighting.plrs:FindFirstChild(plr.Name) then
        game.Lighting.plrs:findFirstChild(plr.Name):remove() -- don't use models like tables, their an instance
        local find = game.Lighting:FindFirstChild("fighting")
        if find then
            if find:FindFirstChild(plr.Name)then
                find:findFirstChild(plr.Name):remove()
                find.Value = find.Value - 1
            end
        end
    end
    plr:SaveNumber("Wins", plr.leaderstats.Wins.Value)
    plr:SaveNumber("Cash", plr.leaderstats.Cash.Value)
    plr:SaveInstance("items", plr.items)
    print('stats saved for '..plr.Name)
end)

Please tell output and what doesn't load...

Hope this helps! If not tell output ~marcoantoniosantos3