Does anyone have tips for local transport to interviews? (Nashville)

I need a cheap way to get to several appointments. It has been a long 5 weeks. I do not want to be late. What do you use?

Our transit agency has a reduced-fare pass for people with low income. The application took a week.

Thanks for writing this out. I went through something close to it last year, and it got easier once I kept a simple log of every call and form.