Yes, the involvement of your daughter is disturbing and totally not OK, I would tell the Mother (owner) that this behavior is unacceptable and if she is not sympathetic then don't worry about burning that bridge, it wasn't worth crossing.

Whatever route you take, just keep your eye on the prize and you will get there.  

You need to get an attorney involved ASAP.Look for someone through the Mass Bar Association who has a track record in defending these kinds of cases. https://www.massbar.org/public/lawyer-referral-ser...My understanding is the same as yours - if a property is not inspected and approved by the local housing administration (the local authority that administers Section 8), then Section 8 renters are not able to rent there.It's just a guess, but if your PM said something like "we don't rent to section 8", that could be the basis of the complaint. 

They both involve finding good off market deals.

I've been keeping an eye out on Taylors, Greer, Greenville, Mauldin, Simpsonville, and Spartanburg. 

., when you actually try to lay eyes on the product.

If you can tell me what you're looking for I'll keep my eye out or let you know of any deals I come across.

I am a newer investor, involved mainly in SFR in Gardena and Hawthorne area. 

Now I know to hire a PM since obviously someone pulled the wool over my and my realtor's eyes. 

You are definitely heading the right way, and getting involved in BP is a great step in the right direction.