You can always get your real estate license; it will cost a couple of thousand dollars for course work, testing, licensing, and then you'll have the cost of placing your license with a firm. 

The handyman I use is experienced in all trades and has been tried and tested many times over.

You cannot predict which listing site will do well for you at your location without significant testing. you also will generally get about 7% are the people coming and finding you and your website if you make it reasonably clear.

maybe she will stay there for several more years and you'll be at the point of having to paint and re-carpet anyway. if the ceiling is popcorn, you may have to scrape it off (which isn't hard with vinegar/water in a spray bottle), just test it first for asbestos.

They just tested 1180 Raymond which is a large scale mixed use project we worked on over a decade ago (couple hundred units) in the FD section of Newark near Penn Station and yep they found lead in their water. 

Alongside our inspections, we are putting together the strategy for the park, running our test marketing to understand the demand in the market, and creating the budget for the project.  

We decided to test the market since Nashville was booming, and we listed at 215k, and got an offer the same day for 225k.

Do you think it is worth "testing the waters" on rent (making it little higher) and if no one applies then lower the rent after a couple of weeks on the market.

Best optimistic guess....your chances are very slim.

As far as renting it, do I need to verify (test) if it does or not.