Here is a before and after shot of a bathtub we just completed in Cleveland. As you can see, the tub was in pretty bad shape. The bottom was stained and rusted. The homeowner actually stopped using it years ago because it was so bad. When we were done they had a beautiful tub, back in service.
Hiring a responsible tradesmen is not always as easy as it seems. However, making sure he/she is bonded and has insurance goes a long way to ensuring a successful project. Here is a good article from the Miami Herald