It is strictly a vacation rental investment property which barely breaks even every year.

I bought my first 2 properties 1 week apart because we kept our options open and kept the evaluations objective and strictly numbers-based. 

Yes - DSCR strictly for investment properties. 

If my standard is that they have a 650 credit score and they only have a 630, I deny them.If m standards are too strict and I can't find anyone, then I'll lower them a little and try again.You should consider reading some books to educate you on what a good tenant looks like and how to find one.

Strictly the tacky video slots and the closed-circuit greyhound racing.

They strictly were involved because we needed to qualify financing to get started in investing.

Air BnB is pretty strict and they require you to establish your own account. 

In San Diego there are areas with strict enforcement of not permitted work (Poway for example) and areas where there seems to be a blind eye to non-permitted work (City Heights for example). 

If you are strictly looking at taxes, I would buy a business vehicle if you are needing an upgrade.

If you buy it from grandma at $150k and put $75k then you could get a loan for $217,125 and only be $15 - 20k out of pocket after closing costs and prepaids with an FHA loan (this applies if you plan to live in the home after reno, you would be out of pocket more if it's strictly an investment property).