A general rule is that as long as there is nothing structural you can usually do a significant ammount of rehab for  $50 per square foot.

She is insisting that the above grade square footage is just the two floors above the entry level (24x48x2=2304 sq ft) and that the 800 or so of finished square feet on the entry level is "below grade."  

And it's a 2 bedroom, 1650 square feet, so would need to be reconfigured to be a 3 bedroom to get that ARV.

Seeing as I'm new and just starting out, I'm trying to get my feet as wet as possible.

This is a small 2 bedroom house with 1,100 square feet. 

For cat urine, you may have to strip out the lower 2 feet of drywall.  

I have seen homes with 2 feet of poop from one end of the house to the other. -- The poop on the photo was more than likely caused by a faulty sewer pump, several apartment / condo units above it draining down, or bad backflow check valve.

They will take your total bill and divide it by square footage and bed rooms.

The guy who rushed in but persisted will have done 10 deals and recovered his losses while you still haven't even got your feet wet because "what if I don't know enough?"

This property has to be a town home if the square feet for the land is showing 0 on HCAD's website and the legal description on HCAD's website should also say what town home community it belongs to.