@Dream to fly I wanted to share a quick story with you to hopefully get you back at the real core which is your dream to be airborne. You have been through an ordeal for sure.
My very first airplane was a Grumman yankee. I lost 2 cylinders in flight, and barely made the runway back. The mechanic on the field and I decided to swap the engine from a 235 to a 290. Everything was great and the plane flew like a champ with the extra HP. Couple years later, couple annuals later, different IAs later, I take it to a different shop as I had moved again. I tell him I am selling the plane, but she’s going out of annual and there is a crack in the windshield. The plane is listed for $18k. A month later he hands me a bill for $14.5k. This was a big name/brand shop, I was upset but had very little recourse. I sought counsel who advised that I pay and move on.
what got me truly back into the love of general aviation? Flying a passenger!! Friends, wife, dog, even a stranger a few times (friends of friends who wanted to go) sharing the gift of flight is amazing.
A good mechanic can get you through this. Use this network to support you and then take a copilot flying. For some different passengers, Volunteer with Young Eagles or Veterans Airlift and find a way to accept this drama as the past.
we will be here to be a sounding board or to let you vent. But do not let some bad apples ruin the end goal for you. I look forward to seeing this thread closed as the plane is no longer for sale.