QuentyDataStore.lua

local Players = game:GetService("Players")
-- Load the DataStore stuff

local DEFAULT_DATA = {
	Money = 0;
	Inventory = {
		Cat = false;
		Dog = false;
		Fish = true;
	}
}

local function LoadData(MainStore, InventoryStore)
	local Leaderstats = Instance.new("Folder")
	Leaderstats.Name = "leaderstats"
	Leaderstats.Parent = Player

	local Money = Instance.new("IntValue")
	Money.Name = "Money"
	Money.Parent = Leaderstats

	local Inventory = Instance.new("Folder")
	Inventory.Name = "Inventory"
	Inventory.Parent = Leaderstats

	MainStore:Load("Money", 0):Then(function(CashValue)
		Money.Value = CashValue
		MainStore:StoreOnValueChange("Money", Money)
	end):Catch(function(...) warn("Failed to load Money!", ...) end)

	spawn(function()
		for PetName, DefaultValue in pairs(DEFAULT_DATA.Inventory) do
			local Stat = Instance_new("BoolValue")
			Stat.Name = PetName
			Stat.Parent = Inventory
			InventoryStore:Load(PetName, DefaultValue):Then(function(PetValue)
				Stat.Value = PetValue
				InventoryStore:StoreOnValueChange(PetName, Stat)
			end):Catch(function(...) warn("Failed to load", PetName .. "!", ...) end)
		end
	end)

	return Leaderstats
end

local function PlayerAdded(Player)
	local DataStore = DataStoreManager:GetDataStore(Player)
	local MainStore = DataStore:GetSubStore("MainStore")
	local InventoryStore = DataStore:GetSubStore("InventoryStore")

	local Leaderstats = LoadData(MainStore, InventoryStore)
	Leaderstats.Parent = Player
end

Players.PlayerAdded:Connect(PlayerAdded)
for _, Player in ipairs(Players:GetPlayers()) do PlayerAdded(Player) end