If a buyer is interested they have to talk with me and produce a POF that I can verify.

This freed up lots of cashflow monthly and when you keep your expenses low while your cashflow is increasing there is more and more capital to re-invest into more income producing assets and the cycle really starts to grow at a nice rate. 

PM is a nickel dime business and if you aren't incredibly efficient you will be out of business quickly.

A Solo 401(k) may be exempted if the deal is structured properly.A fund that derives its income from the development and/or re-development and sale of property would be producing trade or business income that would generate UBIT liability to both IRA and 401(k) investors, and if leverage is involved, a double-whammy with UDFI as well for the IRA investor.

Obviously multi units produce multi income, but would multiple tenant issues be worth it while learning the ropes? 

Failure to pay penalty - generally .5% of unpaid tax balance.Both penalties can be waived if you can produce reasonable cause. 

For example, Jackson county MO and Johnson county KS gis sites are incredibly informative.

Its going to be incredibly hard to get started in RE from a DTI standpoint.

Any and all advice would be incredibly helpful!

The monthly income produced is $6041.