Approximately 0.00% of my clients with $3,000,000 or $5,000,000 in personal mortgage debt have the day-job income to support it, half of them had a conversation with me where I went over what choice to pick for Schedule E in cases where your CPA gives you a choice between a few options that are all allowed by the tax code.If you are buying cashflow positive real estate, your DTI will actually go down over time.

Currently the market comps supports could sell for $245,500.

Presuming you have a descent NOI on the property that would support a very occasional $200 expense, and you aren't worried about starting some sort of 'trend' with multiple tenants suddenly complain to get a new appliance, why not try and swap it out and appease the tenant.You win in more than one way... (1) the tenant quits complaining / you get peace and quiet, (2) when you raise their rent the next time they feel like you listened to their concerns and took care of them, etc (you buy some good will).  

And what is a healthy/realistic profit margin to be attractive to the bank/investors?

Have you tried reaching out to AirBNB for support?

Done.Find a mentor to help with the process.Doing an internship with someone that is serious about their business, and then making sure that you're just as serious about their business as they are, is an awesome way to gain invaluable experience and support for yourself in the long run.Intern with a flipper.

Emotional support animals do not require any training.  

We saw Austin's nascent tech industry absolutely explode in recent years to create thousands of jobs, a net influx of 100+ new residents per day, and the creation of a diversified 21st century economy currently supporting an unemployment rate below 3%.

When considering an area such as Austin or Round Rock, a lot of those common metrics support the likelihood of continued growth. 

I'm glad there are apps that support this.And thanks for the background on why the county assessor's office can't post information online.