there is a federally mandated minimal interest rate. 

New Jersey has a state-mandated 2% cap on property taxes.

Looking at the Fannie Mae website, I found the following requirements:Cash-out refinance transactions must meet the following requirements: The transaction must be used to pay off existing mortgages by obtaining a new first mortgage secured by the same property or be a new mortgage on a property that does not have a mortgage lien against it.Properties listed for sale in the six months preceding the disbursement date of the new mortgage loan are limited to 70% LTV, CLTV, and HCLTV ratios (or less if mandated by the specific product, occupancy, or property type – for example, 65% for manufactured homes).Note: Properties that were listed for sale must have been taken off the market on or before the disbursement date of the new mortgage loan.The property must have been purchased (or acquired) by the borrower at least six months prior to the disbursement date of the new mortgage loan except for the following: There is no waiting period if the lender documents that the borrower acquired the property through an inheritance or was legally awarded the property (divorce, separation, or dissolution of a domestic partnership).

Colorado mandates asbestos and lead testing before any type of suspect material is removed. i can answer any questions you have in regards to asbestos abatement and lead remediation. message me if you want to chat about possible solutions to the asbestos and lead issues id be glad to share my knowledge with you.  

For example, Dumont, New Jersey just raised property taxes 2.35% (above the state-mandated 2% cap), however their Rent Control Ordinance only allows Residential Landlords to raise rents by the CPI percentage, which is currently 0.008%! 

They may have mandates that essentially require stick-built houses, which would be more expensive, and may make the lots financially unfeasible.That could be another reason why the lots were never built on.Lastly, consider that if it's a package deal, some of the lots may be buildable and some may not be (or may be more difficult, less profitable). 

A N4/L1 is unsuccessful 99% of the time due to the Tenant Protection Boards mandate to not evict.N4/L1 or L9.

Unless I can get private business insurance that excludes the extra $250/year mandated by FEMA/NFIP, then I'll probably just pool funds from all the rentals into one for disaster relief savings.  

As to vent cleaning, it's quite possible it is something that has to be urgently done, as many owners don't consider it a priority, and a fire inspection could've mandated it.

My association's bylaws mandate that the board maintains a certain amount of insurance, and I would assume that your associations bylaws do the same.