@Danny90,
Welcome to hosting!
Here are my observations:
1st search Alpharetta as if you were a guest. The average price is $54 most with a private bathroom.
The room with the mattress on the floor and unkempt bedding looks unwelcoming
You need more photos of the room
Guests need a chair and small table
A little decorating would be nice as well to warm it up
Shared bathrooms are not appealing. Can you give them exclusive use of the bathroom while they are there?
You need photos of the bathroom and to tell them how far away it is (right next door, down the hall...)
You have no a/c?
o.k. good luck. Hope that helped.