Modern Taxi Boss servers run a checksum verification. If the server detects a mismatch between your local money and their transaction log, you are instantly shadow-banned. You won't be told you are banned. You will simply stop seeing High-Rollers (the $1,000 fares). The game becomes a ghost town.
For a game like , an "OP" (overpowered) feature usually focuses on maximizing cash flow, speed, or efficiency. Instead of risky external hacks that can lead to bans, you can "hack" the game's mechanics with a "High-Yield Star Hunter" The Feature: High-Yield Star Hunter