TrueDoor appears to have a great reputation online, I'll be giving them a call.

I am seeing quotes around $120k which would put that cost per square foot around $600 which seems a lot compared to what I have seen/read online The reason your cost per square foot is so high is you still have to add all the things a regular house has but in a smaller space.

Check county recordsUse online search tools like PropStream, Reonomy, PropertyShark, etc.Use local GIS mapping tools (ask your county)Search online directories for LLC or TrustTalk to neighborsHire a skip tracerSend a letter to the propertyThere are a lot of options.

We use DealCheck to underwrite deals and QuickBooks Online for everything related to accounting and numbers.

We looker at few houses/Condo under $200k-$250k and saw few online in that range.

Another option you will see online are companies selling shares to sections or lots of trees via a tree plantation management company.  

3) It's been 5+ years since we've seen a S8 tenant lose their voucher for property damages, not paying their portion of the rent or utilities, or other lease violations (letting others move in with them).It's our opinion that #2 & #3 above are caused by overworked caseworkers not having the time to process the extra required paperwork, so they take the path of least resistance.4) S8 needs someone at the federal level to put more of the program online and streamline the process!

You’re online listing doesn’t need to be a comprehensive photo shoot of every single nook and cranny of your home  

Poke around online to see if any of those organizations are in the area.Thanksgiving through the end of January is the absolute slowest time of year for leasing properties.

For something more robust, tools like Excel or online calculators from financial planning sites might better suit your needs.Your ROI Formula:ROI = (Net Cash Flow ÷ Total Out-of-Pocket Investment) × 100For your scenario:Net Cash Flow = Annual Rental Income - (Mortgage Payment + 401k Loan Payment + Other Expenses)Total Out-of-Pocket Investment = $40,000 cash + $50,000 loan payments over 5 years.I came across a piece in Bloomberg recently discussing creative financing, and they touched on ROI calculations for multiple loans.Personal anecdote: A buddy of mine leveraged a 401k loan for a fourplex.