Glad you enjoyed the game!
Upgrades tend to be long term investments. A frog pays out on average 240 dollars a day, which is a substantial amount, and the multiplicative increase upgrades (like the 10% scam increase) stack up overtime. Also, it's a gauranteed sus removal minigame if your sus is above 70, not if you fail (though that is a valid strategy to cycle and get one!), though I should probably add a penalty for failing a scam haha. Wanted to make minigames the only sus removal method since I didn't want people idling or using an autoclicker to cheese the game.
Thanks for the analysis and criticisms, planning on making a post-jam version so this helps out a ton!