Would love to connect and hear more about your background. 

Answer is you do all your homework ahead of time.Can't believe how many new investors buy a rental and then post here asking how do they market it, where do they get a rental application from, do background checks and they also need a lease.That lack of thinking things through will eventually lead to their failure.

My educational background includes a bachelor's degree in both Computer Science and Business Administration.

My prospect tenant just completed his application form/background check thru avail.co.  

Given my background in construction I think it makes sense for me to buy homes that need more work.

Quote from @Dominic Richardson: I need some help analyzing this property in Texas.

Should I also run the credit report and background check on the co-signers?

I have a background in lending, have been a Realtor for 25 years, understand creative financing really well...however in all of my asking about this I have not yet found anyone that has successfully closed a subto in a fully legit way. 

for $40 it only gives a "rating" and no specifics.is there a service of reasonable cost that actually give me a credit report and details on results of background checks?

I think she is just trying to dominate me or has a very entitled personality.I am just glad it's a month to month lease and when she realizes I am not playing this game anymore then hopefully she either stops or she just moves out.I just needed to know I wasn't being unreasonable here.