I think the biggest hurdle  in transporting the houses are the permits required and that the transportation has to occur during certain hours late evening early morning only.

They are threatening with unreasonable demands such as, give me the money now and I will vacate later else I will cut loose and create havoc.What are your thoughts?

I really want to dive in NJ market but getting title reports each week has been the biggest hurdle.

Nothing is 100% impenetrable but you can set your affairs in such a way that you have so many hurdles for the person suing that they either give up or they are driven to the negotiating table.  

and nothing but the extra expenses (catching up on the back rent) & "unreasonable" rules (no pot, no smoking, & no extra people) she might chose to leave.

That is sometimes a hurdle for new landlords.  

Feel free to reach out with any questions or hurdles you run into - I'd be happy to help however I can :)Kristen Paquette | REALTOR ® at Worth Clark Realty

In addition, if i were to find a bank that offers this package, what kinds of hurdles should i expect to encounter before loan is approved (e.g. appraisal, state/local ordinances, etc)?

Familiarity with the market is the biggest hurdle IMO. 

All you can do is raise the rent less than what a judge might decide is "unconscionable".https://www.state.nj.us/dca/divisions/codes/public...Unconscionable Rent Increase If the tenant refuses to pay the rent because the tenant believes the rent increase is unconscionable or unreasonable, the tenant may withhold a portion of the rent.