In no particular order I have listed some of the most popular markets for out of state investorsCincinnati, OhioDayton, OhioToledo, OhioYoungstown, OhioCincinnati, OhioMemphis, TennesseeSaint Louis, MissouriIndianapolis, IndianaDetroit, MichiganErie, PennsylvaniaLouisville, KentuckyMilwaukee, WisconsinJackson, MississippiEach of these markets is popular with turnkey investors because of the low barrier to entry, high rental demand & high rent to price ratio.

My goal is to find sales within 1/4 mile and 6 months, but I frequently don't have enough data without pushing out both radius and time. 

If you have none of them, it will take a tremendous amount of hustle to succeed.It may be that your resources aren't sufficient in your current market, but that you may do better in a market with lower barriers to entry.

If you could buy this land for next to nothing, you'll still have probably $40,000 of cost in bringing the lots back to life (figure at least $1,000 each) plus building a nice entry fence and signage, removing dead trees and limbs, and road repair.

You can do a basic title search on a sheriff sale property like on any other property:  using a title company, attorney, or a visit to the country records office.This county's data may be online and searchable (sometimes for a fee), so you could try that, too.Best of luck!

In no particular order I have listed some of the most popular markets for out of state investorsCincinnati, OhioDayton, OhioToledo, OhioYoungstown, OhioCincinnati, OhioMemphis, TennesseeSaint Louis, MissouriIndianapolis, IndianaDetroit, MichiganErie, PennsylvaniaLouisville, KentuckyMilwaukee, WisconsinJackson, MississippiEach of these markets is popular with turnkey investors because of the low barrier to entry, high rental demand & high rent to price ratio.

If they see a wave of listings in a particular area and learn that there is going to be some major drainage work done two years from now that will significantly impact taxes, unless your going to meetings at city hall or live in the neighborhood, those are likely things you may miss.When you do begin to narrow down properties you like, they may be able to provide you with data that will reaffirm your own in regards to comps in the area, ARV, and the direction of price trends. 

-DonOpendoor Data Scientist

Like you mentioned most doing ADU's are keeping the properties so there are few data points for appraisers and they haven't yet received guidelines on how to approach them. 

Homeownership may be one step closer than you think if you spend your dollars wisely this year.Based on data released by the Internal Revenue Service (IRS), Americans can expect an estimated average refund of $2,962 when filing their taxes this year.According to programs from the Federal Housing Authority, Freddie Mac, and Fannie Mae, many first-time buyers can purchase a home with as little as 3% down.