It’s great if my son or I were 1 year old to move generational wealth forward.  

When the math works, this can absolutely generate strong cash flow with lower upfront investment than traditional rentals!!

This could be an issue related to your system for generating and converting leads.

No matter which brokerage you choose, you should be prepared to generate your own leads (the only way to build a sustainable business) and find answers to your own questions/challenges/dillemas, etc.

A premises liability claim or any avoidable law suit is not worth the hassle balanced against limited upside these properties can generate. 

With the right systems and support in place, it could diversify their portfolio and generate steady returns, especially if you're passionate and willing to go all in.

You've listed two strategies for starting a new business (arbitrage, laundromat) and one strategy for acquiring your first asset (house hacking).While they can all generate income, be careful not to accidentally buy yourself a 100-hour/week job (I'm only exaggerating a little) when your stated goal is to invest in multifamily.

Are there scenarios where the letters alone generate sufficient ROI?

Whether it’s property management, bookkeeping, or tax preparation, the time spent on those tasks is time taken away from revenue-generating activities.

.❌ No more Collection Appeals Program❌ No more installment agreement negotiations❌ No more administrative remedies❌ No more Form 12277 lien releasesInstead you get:✅ Compelled depositions under Rule 69✅ Forced financial disclosure✅ Court-ordered payment plans✅ Contempt sanctions (including jail time)✅ Judgment liens that survive death and attach to inherited propertyThe estate goes from "problem solved" to "multi-generational nightmare" in 24 hours.