Remember that for most owners, their business is very personal to them.

I 100% agree with the intent aspect and that is an important premise, but the fact is in this particular situation intent for it to be personal use has been confirmed (by way of a public post).

While Facebook Marketplace isn't the sketchiest site (craigslist), I personally would never give my ID across it.

@Brice Alef-TorrisiHaving one checking account per property is an excellent way to keep your property finances separate from one another and your personal finances.

Quote from @John Friendas Quote from @Patrick Roberts: If you are on the note or personally guarantee the debt, then it will affect the liability side of DTI, regardless of whether the lender reports the loan on your personal credit.

The property is insured on your behalf, personally. 

I'm curious to know how often property managers actively suggest value-add activities for properties (ie, building an ADU, remodeling, buy-fix-hold opportunities etc etc). 

Here is a list of Construction, Rehabbing & Generic PM softwares that may be a good solution:Construction, Remodeling & House Flipping Specific PM Softwares BuilderTrend/Co-Construct - Home building project management software specifically built for custom home builders.

The key is to identify personal property from real property.

The average person thinks about a dollar and how they can spend it.