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.

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

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. 

Post notices.

The lease says "rent is due on or before the 14th day of each month in advance notice or demand." 

Are buyers leaning toward creative financing, or are there other trends you’ve noticed shaping the market?

@Tom Yung is the expert here.Here's what I think.1 day after a year, send the Notice of Barment.

My list includes - last 2 years employment history and current employment [2 paystubs], criminal checks, eviction checks, No Pets, No smoking, tenant pays utilities, maintains landscape, no subleasing, bring own washer & dryer, 1 month security deposit and transfer of utilities before moving in, rental insurance, all occupants will be on lease, notice period of 2 months for termination, tenant references, No cosigners, no painting walls, late fee notice, any hoa fines should be paid by tenant, inspection of property at 3, 9 and 12 months.Please let me know if I am missing anything.3.

You'll also want to ensure you have a good property manager to look after the upkeep of the property if you are not there to notice anything deteriorating or which may need attention.Creating an LLC in California could cost you a minimum tax of $800 every year.

@Amyson Varughese have you served them with 14-day Notice to Pay or Vacate in accordance with RCW 59.18.057?