If you need a cheap fiberglass tub, this might work. This needs a little work, but my tub was WAY worse than this one.
https://westernmass.craigslist.org/pts/d/lee-willys-jeep-fiberglass-tub/6782778158.html
“USED fiberglass tub AND original metal hood. The pictures show the condition of the tub, the hood is not shown in pictures it is inside and hard to photograph. Also have windshield frame.
All for one money 125.00”