Roblox Anti-AFK Farming Session

I want my Restaurant Tycoon 3 account sitting in-game for a solid 7–8 hours so the cash keeps rolling in. The only requirement is that the avatar never trips the 20-minute AFK timer. No other interactions, chats, or tasks—just stay online and let the passive income add up... (Budget: $2 - $8 USD, Jobs: Automation, Game AI Programming, Game Design, Game Development, Game Programming, Game Testing, Roblox, Scripting)