Have a contract on a house, was appraised at 177k, offer was accepted at 140k, signed as is but has foundation issue on one bowing wall and mortgage company is wanting a certification from foundation inspector.

You will also need to include a Department of Defense Manpower certificate from their web site to certify that the tenant is not deployed.

Does anyone (a lawyer would be a plus) who is familiar with NJ know what, if any, special licenses or certifications might be required by the state/municipalities to run an LLC that buys and sells real estate.

maybe some classes I could take to obtain certificates of some kind of license that would give me something to offer to someone who is looking for some kind of property manager?

This is for a pre-listing certification.

This similar to the federal law requiring certification of those assisting homeowners in distress.

I am keep thinking about nice "return" plans to a mentor who can guide me to become an investor.Currently, I enrolled BU commercial real estate commercial certificate classes, and am reading commercial RE books.

Besides a Certificate of Discharge from the IRS, can this be used as leverage for negotiating?

An estoppel letter or estoppel certificate is essentially a letter which outlines all of the terms of a tenancy (start date, place leased, rental amount, amount of security deposit, lease term, any covenants, etc) and is reviewed and signed by the tenant.

There is IRS Form 14135 - Application for Certificate of Discharge of Property from Federal Tax Lien.