We see so many different entity structures for rental portfolios in our REI Bookkeeping Firm.Ensure it's simple enough for you to easily abide by the structure in your day-to-day operations (which your question is getting at).We've had bookkeeping clients with complicated structures that apparently protected them to the maximum degree but they didn't abide by the structure when conducting transactions in their business daily (lots of unintentional commingling).

Replacing a sewer lateral is easily a $7500 repair; it's probably closer to $10k, and personally I would have prioritized it over t+p. 

I have been married to my husband for 10 years we have 2 girls together and he has 2 adult girls and i have 2 teens all girls .but my husband got that title when he was 20 now he is 44 but i can tell you from my experience its been rough over the years cause people love to judge but forget how easily something like that could happen to themselves or there own kids .i am currently looking to find a place for my family cause the lady i rented from for 10 years decided to sell.

In cash flow markets (like these), you can definitely still get the 1% rule pretty easily in C-neighborhoods (where SF homes will be $80-$130K).

Easily doable.

Do your research on the forums for general tips on hiring a PM, what to look for, what to look out for, good stories, bad stories, learn from others about their experiences with all kinds of PMs all over the place and take what you learn when you're speaking to PMs in your area so you can more easily see red flags, or green flags!

You can easily do this on a spreadsheet, and it will take less time to track than finding and learning new software.

The right person can easily make over $100k in real estate sales.

That said, a Solo 401k can easily invest in wall street by opening a brokerage account.  

Make sure to work with a realtor who is also an investor who can easily plug you in with their systems and network of lenders, GCs, PMs - someone who will have your best interests.