Why not form a series LLC in a jurisdiction with strong Series LLC laws like TX or NV, register that Series LLC to do business in your home state, and then form a home-state traditional LLC to be the "management" company?

The other option is to go to a business or community bank for their HELOC's on non owner properties but they usually dont like any foreclosure or BK records.2) this is a personal decision and up to your preferences just, buyer beware and vet our your partner well3) there are many options unless you get a seller who is willing to carry paper, commit to a land contract, lease option, or other form of contract for deed or take back a note for their title interests to control the property with out using an actual traditional or private/hard lending sourcesAs a comment aside, I've funded conventional financing deals if the foreclose was documented to be within/included inside the CH7 BK discharge papers.

Less traditional methods of acquiring leads could be an avenue.  

I know for instance there cheaper than traditional single family and multi family there are investors that have made millions dealing with mobile homes 

The owner is asking way over what a traditional investor would want to pay.

Strategy by  buying the non-performing loan through new concept of  using "The carrot and the stick.Improving the Short Sales success rate , sharing the financial gain with owner who traditionally get nothing at closing. this a new concept  of resolution with the bank from the back end in a win-win-win process.

Strategy by  buying the non-performing loan through new concept of  using "The carrot and the stick.Improving the Short Sales success rate , sharing the financial gain with owner who traditionally get nothing at closing. this a new concept  of resolution with the bank from the back end in a win-win-win process.

Agent/investors are used to this sort of arrangement, but it may be hard to convince a traditional "retail" agent to work with you.

Going with one of the traditional brokers you'll most likely start out at a 50/50 split.  

If I were you I would go with a non-traditional broker.