I was told one of my properties had been redeemed, when I knew good and well it had not.  

More information on this below.

Well yes technically they can do it but they will not.

Bridge loans can be extremely useful for situations where you may be purchasing a property that has tenants already in the property who are well under market rents to the point where a DSCR loan wouldn't cash flow.

They're looking for a quick close within 30 days so they can get the cash in hand to purchase their next primary residence.A solution would be to withhold a very small portion of funds in escrow, but the seller would have to cover the rent as well.

Having leveraged a cost segregation study before, I know all to well about its tax benefits.

Any information on the states to avoid would also be appreciated.  

Isn't that what we, as investors, all look for as well?

@Kelsey Vander Meulen a good contractor who does new builds would be able to give you some more information on what's allowed.

I've found a niche in real estate investing where I purchase a single family home with a large lot and split the parcel into two and sell the lot and either keep the home as a rental or sell it as well.