They know who their primary audience is, people who are broke, newly interested in real estate (maybe from tiktok), and want to get rich off of possible income without putting in the effort to make a bunch of money.

In one of the 3 fundamental human needs (food, water, shelter).

Yes, a contractor can put a mechanic's lien on your house, but that is little recourse to putting food on the table.As a former subcontractor, I usually requested a deposit on larger jobs, $10,000+, on little stuff I wasnt as worries about it. 

Luckily I have seen most of the get rich quick clients leave. 

You should visit Beers and Deals in Little Italy hosted by @Rich Somers as well as Ales & Assets hosted by @Mel Adams.

Just food for thought if you cannot find one in that direct vicinity. 

@Rich Vogel, would you care to elucidate?

Things like your vacations, entertainment, toys, food, clothes, housekeeping, pets, guns etc.

Wood Floors not sealed, tile not properly installed and grouted, cheap flat paint that the tenants can't wipe finger prints or food splashes off, countertops not caulked so water gets behind causing water damages, the cabinets were painted over not replaced the list goes on and on.

If there are clear signs of negligence (kid throws down, paper towels, food, fats) then you can get the invoice from the plumber with the notes and present it to them.