Why can't my data save multiple data? [Is this a common misconception?]*

I'm making a data-store for my game "Salutations", and i wanted to save multiple things. However it's not really saving the data.

I have Cash; [IntValue], and i have Quest; [NumberValue]

It's not saving them, and i have no errors for reference.

Here's the script;

local DataStoreService = game:GetService("DataStoreService")
local myDataStore = DataStoreService:GetDataStore("myDataStore")

game.Players.PlayerAdded:Connect(function(player)
	local leaderstats = Instance.new("Folder")
	leaderstats.Name = "leaderstats"
	leaderstats.Parent = player
	
	local Cash = Instance.new("IntValue")
	Cash.Name = "Cash"
	Cash.Parent = leaderstats
	
	local Quest = Instance.new("NumberValue")
	Quest.Name = "Quest"
	Quest.Parent = leaderstats
	
	local PlayerUserId = "Player_"..player.UserId
	
	local data
	local sucess, errormessage = pcall(function()
		local data = myDataStore:GetAsync(PlayerUserId)
	end)
	
	if sucess then
		if data then

	    Quest.Value = data
		Cash.Value = data
		end
	end
	
	
	
	end)
	
	game.Players.PlayerRemoving:Connect(function(player)
		local PlayerUserId = "Player_"..player.UserId
		
		local data = {
		Cash = player.leaderstats.Cash.Value;
		Quest = player.leaderstats.Quest.Value;
	    }
		
		local sucess, errormessage = pcall(function()
			myDataStore:SetAsync(PlayerUserId, data)
		end)
		
		if sucess then
			print("The Data Saved succesfully!")
	else
			print("The data did not save")
			warn(errormessage)
		end
	end)