So if, like @Sam Grooms suggests, you pay cash for the land you can find ways to make a little extra income, cover the property taxes, etc.  

The Lessor shall not lease or sell the units within fifty (50) feet of Lessee's demising wall to the following users(s): a) Bars, taverns, billiard halls; b) Pawn shops; c) Dance studios or Karate studios; d) Beer or wine-making stores; e) Psychological counseling offices/facilities; f) Unemployment or Social Security offices; g) Liquor stores; h) Tattoo shops/body art/piercing tenants; i) Beauty/Hair Salons, Cosmetology Services, or Nail Salons; j) Gun and Weapon shops; k) Smoke/Tobacco or Vapor/E-Cigarette shops; l) Child Care/Children's gymnasium; m) Dry Cleaning Plant facility; n) Veterinarian/Dog Grooming/Animal Boarding; o) Gym/Workout facility; p) Same day cash/loan shops; q) Massage parlors (except for national chains such as Massage Envy and the like); r) Police substations; s) Military recruiting offices; ort) Any other non-professional use similar to those listed above.

@Sam Grooms  Sam asked "Do you plan to only acquire in those two markets for 2018?" 

I’m with Sam Grooms and Caleb Heimsoth to not over leverage right now.

Darin Groom yea I think you guys agreed right at the sweet spot for sure.

i use grooms plumbing some but not sure if they have time.  

Contact folks in tax sale - yep - go knock on their door - your competition won't be doing that.Dress well - a good suit or sport jacket - tie or nice open collar shirt - a shine on your shoes and a well groomed face, and hands.

A and B class rental units, specifically sfr's, should be neatly landscaped and groomed.

But I recommend upgrading night lighting and "landscape security" (keeping your property well-groomed) as the first order of business. 

Perhaps you can ask them to share some pictures and use that to upsell & Bring credibility to the STR for future Brides/Grooms!