That has been the case for the entirety of it's existence.

It it not entirely clear what your question is.Taking a shot in the dark, Unrelated Business Income Tax (UBIT) applies whenever a tax exempt entity (Solo 401k, IRA, or any other type of non-profit) engages in a trade or business on a regular or repeated basis. refer to IRS Publicaton 598.Income derived from passive investments such as rent from real property, interest, dividends and royalties is not subject to such taxation.UBIT was created by congress long before IRA and 401k plans existed, to prevent tax-exempt entities from driving taxpaying businesses out of business.  

Should I just do a saturated direct mail campaign to all addresses in the area or spend the time researching only the distressed properties?

She says is just two hours worth of work but I tend to disagree after looking at the existing trim in the house, all the trim from the floor to the ceiling needs an overhaul to look new again.In the five years they lived in the home the owners replaced or renovated the following:AC, dishwasher, windows (double paned with blinds in between panes, can open to reach the blinds), flooring (throughout was very nice but I'd replace the peel-n-stick with laminate so it would be laminate throughout), sheetrock, texture, and paint throughout, ceiling fans and light fixtures throughout, sinks in both bathrooms, chain link fence dog run added, and a storage shed.Other positives:  I talked to neighbors and they are very happy living there, there is a beautiful and big rec center, gym, kids playground, monthly potlucks, people wave to each other as they drive by, there's a craft group that meets, etc. 

In most cases, they just don't trust the investor.What are investors trying to accomplish with "buy like rent, lease option, option", In most cases it is to BUY TIME to find an assignee or to flip the property.Here are some ideas you may want to try on for size:Write a contract of sale (I use a skinny contract, one that anyone can read and understand in a few minutes) with a delayed settlement (for as long as you can negotiate), with right of possession or if occupied right of entry), and "subject to the existing mortgage"Skinny contract of sale with a Study Period, with right of possession or if occupied right of entry.Make full disclosures 1.

So, why do ground leases even exist?  

I know I'd buy turnkeys if they existed in my local area, just for ease of process, but most people don't agree with me on that one.

Spent most of my Saturday "Driving For Dollars" & scoping out neighborhoods with existing listings.  

I heard that you can never truly get rid of the fungal because it is on existing wood and black mole is very toxic.

Also check existing leases for effective rent.Seller can claim 950 a unit but gave first months rent free.