The property prices that I'm looking at are all in the sub-$150k range.

The truth is, if you can execute, BRRRR can work in all of those cities so it's a matter of preference - whether you prioritize cash flow or appreciation, price range, if you know anyone, school zones, etc.

Definitely looking to start smaller, in the 2-4 unit range, but seeing what you put in your buy box helps me think about narrowing mine.Plan is for funds to primarily come from saving from my W-2 work and possibly utilizing equity from my primary residence, though that is something I would need to really plan out.  

This can range from as little as $12k up to $150k.

(mostly cosmetics), what price range that it must fall into at that condition (for the purchase price) and/or what the maximum LTC to ARV must be (in other words the purchase & rehab numbers must not exceed 65-70% of the ARV, the lower the percentage of ARV the better).

For DSCR, the seasoning requirement is usually ranging for 3-6 months meanwhile a conventional lender has a 12 month seasoning requirement.

For clear evidence, you may want to consider an air quality monitor specifically noted for detecting a range of smoke types.

Most of my clients buying STNL or MTNL stay in certain price ranges.

It consistently achieves 95-100% occupancy as a short-term rental, with nightly rates ranging from $350 to $550, generating substantial cash flow.

Personally, I've seen cash flow yields ranging from 10-18%, with plenty of potential for even more.