A good management company will eliminate most of your concerns you mentioned. 

They may be able to line the sewer line which should be much cheaper than a replacement and eliminate the root issue.

Obviously it is not fun to have roommates but living like this for a year or so and completely eliminating your housing expense could put you ahead for awhile.The multi-family option is a bit of a stretch on paper in Salt Lake County but I am a strong believer of SFH w/ the ADU or MIL apartment.

For example; if someone can’t go to the website and apply, they are weeded out. 1 applicant inquires > please go to the website 2 ask questions explained on the website > eliminated 3 bad credit or bad background check > eliminated 4 “can you work with...”

That is because the requirement to purchase the tied product injures or eliminates competition from other sellers of the tied product, since purchasers are required to purchase the latter (as a result of their need or desire for and purchase of the tying product), rather than possibly purchasing the product offered by a competitor.

If/when the home appreciates enough, you can refinance to eliminate the PMI

Some of the new apps and cards that you can just tap against the card machine reduce or eliminate the extra contact.Collectively the federal government (Treasury, Federal REserve, DOJ) have been trying to limit and/or eliminate it for years.  

A trust would be a wise move as well, if you're very concerned about your identity, but I would start by ensuring all the LLC info was buttoned up and minimize (eliminate) interaction with the tenants. 

I eliminate dreamers, schemers, and those with unrealistic expectations.The second area where you provide a lot of value is in your strategy.

Goal is to eliminate  vacancy if possible.