Dude, Action Multi in CT when that time comes.Tell me more about how hard and frequently that you've been hammered!
Seriously though, everything that you've heard is true. Well maybe except the airworthiness issues. I've never experienced or heard of them... yet. Yet. If you're tiny, like 130-145 lbs. As well is your CFI you can fly dual in a Sport Cruiser for either PPL and Commercial. The max gross weight on those is only 1320. But we got crap tones of SC here. Easy availability, especially for solo flights. But only maybe six dedicated planes between two locations for IFR, and skads of IFR students. Facepalm.
The Diamonds are old and second hand. They're supposedly shopping for a brand new shiny fleet of IFR trainers. They want only rotax engines though, for fleet propulsion commonality. They say that we're supposed to be getting a huge order sometime this year. But they also said the same last year too.
As for multi... ugh. They use Tecnams. Those things are total crap. We have two and they've been down for like 10 months. Think that they've put like $100k into each one and their still not up and running. Students are actually going out to Montana to get to get their multi rating on their own dime. Yep! I hear rumors that they're trying to find a replacement trainer for multi. But I heard from my instructor that Seminoles are next to impossible to get due to ATP.
And finally, yes. Mechanics as is true at probably every flight school. They quit all the time here. Probably go to Skywest to make more money. Which then causes a huge maintenance backlog here. Like after Christmas 2018. Bunch of mechanics had quit prior to the holidays. They hired more. But like almost EVERY plane in the fleet was down for regular maintenance or broken. For almost two weeks.