harbors hotel and resorts

so I'm making a hotel game in Roblox and i really need help building the hotel game with working hotel room doors, and rooms and check in and out and like really smart house kind of and you can buy items there and buy it whit a chasier the cashier is a real person, and some commands, then more stuff like that btw when i click hourly i mean, i want o se, if there is any good free scipters opuit here and btw the person will get cred