Regina,
I understood your decision when you thought about selling your 150.
The nervousness of affording retirement and living on a "fixed income" is natural but after a short time after you last day of your career that feeling will fade.
I am glad you decided to keep your 150. I don't think any of the other options to keep flying would end up being any more affordable than flying a 150.
When I was planning my future when I was offered early retirement and going over finances with my wife and how we would survive I said "when I sell my plane we could..." and was told by my wife that if I needed to sell it then I could not retire.
Here we are more than 5 years later and still flying 82Bravo and everything is fine.
Now, about that trip back to Clinton.
Hope to see you there.