Be sure to verify any offers you come across.

Get detailed quotes on these to ensure it’s cost-effective.Zoning & Permits: Verify that your current property allows additional homes and meets zoning requirements for multiple units.Rental Demand & ROI: Assess demand for singlewide rentals in your area to confirm it’ll be profitable after all expenses.If everything checks out, these could be solid additions to your portfolio.

However - if they're there and verified to be inspectors to ensure the unit is compliant, then yes you are obligated to let them do their jobs.

The Order finds that White signed these letters as ORES's part-time CFO, or using his CPA designation, but did not verify whether the statements were accurate.Without admitting or denying the findings, White consented to the SEC's Order finding that he willfully violated Section 17(a)(3) of the Securities Act of 1933 (Securities Act), and he agreed to pay a $60,000 civil penalty.

If the tenant wants to stay, verify he can afford it.

Strategy is long term hold.Question - Apart from getting inspections done by a quality inspections company, what other items do I need to verify or consider as part of due diligence, before closing or in order to decide Go-No-Go?

https://secure.lni.wa.gov/verify/ 

Does PetScreening offer anything besides what I did, which was call to verify them & their license?

They skip that property and send someone to verify and come back to it later after they know if they were paid or not to avoid a situation like may have happened in your case.

I just got confirmation he got a job but obviously the only thing I can verify is his rental tenant history.