STR with Airbnb or any other platform?

[Sasidhara Manthena]

Hello,
Happy New Year! Hope everyone had a great holiday season. 
I am new to Airbnb. I would like to start out with a 3 bed , 2 bath in Ybor city/Tampa, Florida downtown area. Is anyone doing it already in that area?
I need assistance form the experts on .. 

1. Initial setup related with property preparation.
2. Registration with Airbnb
3. Yearly tax management
4. Individual or LLC or Inc .. Which is better to operate this under?
5. What type of liabilities are expected? How to cover them? 
6. Is there any better platform than Airbnb? if so pros and cons.
7. What is optimum number of bedrooms to have in that area? I mean which type have more demand.

I appreciate your help. 

Thank you,
Sasi M