Spray Max makes good 2k spray can clear and spray can blender. Most auto paint stores should have it or equivalent I think Amazon may also carry it. If you use the blender on the clear edge I would do a practice piece with a little luck you will barely have to buff it
One other thing. It may be worth stopping in your local auto paint supply stores.They should know some independents worth recommending. Good luck and hopefully it will go well.
I'm the finish bodyman/painter (with a skilled helper) at a long established custom and restoration shop. I agree with the previous posts. If someone comes in and just wants a " nice paint job" there are shops in our area that we will recommend. I'd go to car shows, cruise nights etc. and ask...
If you want to leave parts in bare metal for any amount of time take a look at www.rblproducts.com . Their Restoration Plus wipes or sponges work really well even here on the east coast of Florida. They also have all kinds of cool tools and supplies. While expensive Axalta 2580cr corrosion...
I work at a long established restoration/custom shop in Melbourne fl. We finish prep. bare steel and apply Axalta 2580cr zinc chromate epoxy primer right away to bare steel panels. Besides corrosion protection you also end up encapsulating the body filler when you prime over it.