HH properties (and often HH clients) are high resource utilization accounts for a PMC, so many PMCs won't take them on, or will only take them on with the understanding that the property will be converted to a single-lease property (we do still use this approach.) 

If you’re targting properties in historic areas like Lincoln Park, be sure to budget for unexpected maintenance expenses, as older buildings often require more upkeep.Incorporating 1031 Exchange StrategiesIf you’re looking to scale your investment or defer capital gains from a previous property sale, consider utilizing a 1031 exchange.

They also pay for all their utilities. 

@Pretty Khare As Ruben and John mentioned above, you can utilize a cost segregation study on your STR property to reduce taxable income (or create a taxable loss) to offset against your W2 income, but you need to ensure you are following the IRS guidelines very carefully.

A lease usually states somewhere that items charged to the tenant (fees, utility bills, etc) are "payable as rent" or "payable before rent".

You can find ways to save in places that people won't utilize as much

If piti is $1100 and rents range from $1000 to $1200, conservative underwriting would use the lower of the rent range, we have $1100 rent - $1000 PITI - $120 PM  - $50 (vacancy) - $300 maintenance/cap ex - $50 misc (tax man, asset protection, book keeping, utilities that are not tenant responsibility such as for a slab leak, etc) is about negative $420/month. 

For my calculation, I've assumed $1200/yr utility paymentsSeller is asking for $5,25k, but according to my calculating a fair price at 7.5% cap rate woud be $4,80k.What do you guys think?

I am covering utilities for the 1st floor and garden unit (for a 3-unit MFH rental)Any recommendations for a programmable thermostat where I can lock appropriate temperature ranges?

Southern border of the land is Wilson Creek (a large, well established, full time creek with old growth trees)Approx 1 acre of non-recoverable flood zone along length of creekTwo small ponds on the property, which can be filled in to utilizeSmall neighborhood to East of property line with utilities ready and available for project Currently a couple of older homes and barn structures on property (100% liveable and well maintained)Wilmeth Rd is currently expanding down the block to a 4 lane road which connects to Highway 75 in McKinneyLarge developments are underway within a 1/2 mile to 3 miles out radius<4 miles to Costco, ChickFilA, WholeFoods, Cinemark, major hospitalAT&T Fiber and Atmos Gas at front of propertyA water well can be run, if desired, or tap into the city's water (currently on city water and has large main at front of property)A CE firm has drawn up plans for a small, 12 home, 3/4 acres development.