Thanks for playing! No yeah, there are still quite a few bugs especially with the tesla coil. The turrets not firing might have to do with the upkeep mechanics, if your blue number reaches over a certain percentage over the current maximum it stops all the towers from attacking, so you need to power down some towers to get things running again.
That's a good suggestion, I didn't realize that I jumbled up the order for the prices in the UI. Thanks.