I can’t stress enough how important it is to stay focused and avoid some of these common pitfalls early on.Quick thoughts:Find the right Realtor – Make sure they’ve got some skin in the game with househacking or investment experience.Budget = Game Plan – That pre-approval is your marching orders.

Settlement shall occur within, or at such other site as the Buyer may select, provided that the Buyer shall have given the Seller at least five (5) calendar days advance written notice thereof.  

You won't get a CO with unpermitted work any other way but for very slack areas, which have all tightened up noticeably over the years.

Had I not known, common sense would have told me that 11% a month is impossible and makes no sense.

Leaky roofs manifest themselves in noticeable ways.

Post notices.

Quote from @Bob Billingtonz: You gave them the tools, but they refuse to use them.Based on what you've shared, I would give them a short, professional notice that tells them to abide by the lease or give 30 days' notice and move out.

Could/Should the 2 LLC's be tenants in common for the new property purchase?

Give 30 days notice and move out.If he's been a good tenant, you can "train" him to do the right thing and put more money in you pocket. 

With short notice, I'm looking for any insurance who can insure a house in Irvington, NJ 07111.