Preferably specializing in foreclosures, flips, etc.  

I've said this here before, when you're dealing with stuff like code violations, zoning or rent control, get an attorney specializing in that field, do not use one who does closings and thinks he knows enough about L-T law. 

Would the lender allow the buyer to have supplemental loans up to 75% LTV?

Actually i heard about couple of ways that make sense to me:-buy a single family fix it rent it kind of 8-10% net profit , is it something special or kind of basic at the u.s?

Are there commonly utilized Lawyers & Accountants that specialize in these things used by the BP community?

You should hire a CPA, an attorney or a specialty company specializing in this kind of setup to ensure that what you are doing is IRS-compliant.

I know there are a few companies that claim specialization, but wanted to see what everyones experience has been. 

The great part of the podcast is that the guest specialize in different areas of real estate and have differing levels of experience.

I already had an agent who was referred to me by a friend that specializes in REI clients. 

I'd also suggest a move-in special, say $200 off the first month rent, just to get someone in there.