Very rarely, those cases happen due to some fat tails event-- recession, war, pandemic, etc.

If your properties under management are generating steady income for you close to or even exceeding your initial expectation, yet you scan the work orders and find more fat that can be trimmed which would yield even more profit.

They didn't have to drive to the store?

The best deal I made (for me) was an 75% Interest in a small property rented to a convenience store.  

Audit expenses and cut the fat.

I am concerned about where all this data is stored

I know of an investor who bought one of these, use it for a few days, and then returned it to the bigbox store once the HVAC was fixed.

Again, the BiggerPockets store has some books on this topic, or you can learn about it by watching podcasts, reading blogs, and interacting on the forum.

Kohler products can be purchased at Home Depot or any plumbing supply store.

I don't know about you, but that seems ridiculous and extremely dangerous to me. you can definetly learn it in less time than it takes to make 20k its a fat waste of money and an mlm