@Tim Ellis basic math my friend.

As this seems counterintuitive, I wanted to ask:1) Is my math roughly right?

In the meanwhile, trying to work my own offer; quick math makes me think this isn't quite right for a BRRR, but maybe a flip instead?

Then, I'd start analyzing properties excessively until you're comfortable with the math behind a good rental property.

Soooo the math . . .Total Monthly Debt $3020 - $2262 (75% monthly income/$3015) = $758 is what would go against DTI Ratio?

You really need to do your homework and understand yourself first.  

Often times there is demand and a niche marketing that makes a good driver - but the price isn't worth doing the deal.Properties that are in vacation areas tend to do the best but "Stay-cations" are very popular now in more remote areas as a result of the dang virus.Do you homework with those who jumped in before you and learn what they learned from the experience.

Let's do the #'s on your question: Let's say it's utopia-ville where all properties are always $100k, tenants always pay $1k, and everything is always perfect and right, to keep it simple math. 

On a lot of free XLS, I find some basic math errors.

There can be good profits if you know what you are getting into and if do your homework, but those are two pretty big "IFs."