@Sang Yu I do not know anything about VA, but most of the program enforce one year residency.

And you call the seller and they let it fail over to voicemail or just ring off the hook...And that's just a co-incidence.I doubt getting your money will happen on a friendly basis.As @Greg M. said, go to the Police and ask them for help.In person with the Desk Sargent is probably your best bet.If the local District Attorney will take the case they should file an investigation.If not you will probably get double talk about not enforcing civil laws and they do enforce civil laws.If that happens, Lawyer up if you think that makes sense and go after the solution.But you say you have no written rights to the rent, so was this an oral contract?

When I find a deal I text it to the office to have my assistant / office manager look up the parcel number and check on board of health and code enforcement status.

But nooooo now I have to see all the completely irrelevant rants of everyone and scroll through to find a post that is actually relevant.I honestly can NOT imagine how ANYONE will like that better than an efficient display of topic headings, clean  and simple.Not only was it frustrating that everyone absolutely doesn't give a hoot about what topics to talk about (anyone can start talking about pink elephants in skimpy bathing suits in the Marketing section, and no one would enforce this making the forums complete inefficient and pointless.

If they are VERY professional, they will have their processes in writing as verification that policies are enforced equally and fairly by their entire staff.6.

After trying to enforce late payments (we signed a written stating this) I was told my one of them it is unlawful to charge late payments. 

Personally I consider this a problem with the incentive structure and enforcement and I encourage you to not engage in questionable activity.

Also, if you're not enforcing the lease on the rent issue, why should the tenant expect you to enforce any other part of the lease.

If you have a legit contract you can enforce it.

Given the nature of the wholesale transactions, it could be difficult to enforce these laws since wholesalers rarely acquire deeds to the properties they contract for resell making it somewhat of a shadow transaction.