Many of us pay hundreds a year their partner revenue is only increasing and we can't get an APP?  

Targeting single family/duplex/triplex/quadplex with 3 beds and 2 baths per unit, and $300K or less.

For example, a property in San Diego may lose $500 per month ($6,000 per year) but gain $60,000 per year in value, making it worthwhile to "lose" money each month in exchange for long-term gains.I recommend you start with BiggerPockets Ultimate Beginners Guide (free).

And all the deals I do the exit on a fully rehabbed home that I fund and pay for the rehab etc for my clients. is basically 250 and under .. there is not an issue with affordability in much of the US the issue is buyers preferences.

You can easily look at states like Indiana or Ohio and find a duplex for $200K or under and cash flow the same per door. 

.: Is it legal, per the IRS, to rent my primary home back to myself? 

This experience can help you scale your portfolio over the next few years- Local properties appreciate faster, which allows investors to reinvest their equity into more local multifamily units OR other markets where the cost per unit is lower (i.e., Philly, Upstate NY, etc.)The Bronx is arguably the best borough to consider the househack strategy.

Hey Jackie, my partner in builds them in the greater LA area and has clients he can likely connect you to to share their experiences with ADU builds on single family lots.What I will say is that, per the math investing around $200,000 in an ADU that is around 450sqft 1Bed 1.5 bath can rent close to $1800+ in the area.

I would also share pros and cons of paying taxes on the windfall versus owner carry.

If the software is not simplifying your life or making you more accurate, you shouldn't use it.Software does have extremely helpful features like online payments, marketing syndication (click a button, and your property is advertised on multiple sites), electronic document review/signing, maintenance tracking, and owner reports.