For me, I own almost all of my properties free and clear, and have very little overhead, so I am totally happy taking on limited debt at better rates and earning a great residual cashflow and just reinvesting excess profits. 

The trust rates were reduced slightly with the 2017 tax law, but not nearly as much as the corporate rates.2018 Estate and Trust Income Tax RatesIf taxable income is:                                The tax is:Not over $2,550                                       10% of taxable incomeOver $2,550 but not over $9,150          $255 plus 24% of the excess over $2,550Over $9,150 but not over $12,500        $1,839 plus 35% of the excess over $9,150Over $12,500                                            $3,011.50 plus 37% of the excess over $12,500Because of the new corporate tax rates, the use of a UBIT Blocker corporation may now make sense for those investors wishing to regularly engage in UBIT exposed activities such as house flipping. 

For estates in excess of $100k they are required to go thru the full probate "Decedent Estate Administration" process. 

Can you increase the rent by the amount you find excessive?

They were supposed to requested written permission to spend anything in excess of $100.00.

America was and is built on small business.. rentals are for when your small business is making excess money and then you invest.. not have limited money and think real estate is going to carry the day.. 

For how its performing, insurance, and the number of vacancies currently, I think the asking price is pretty excessive.  

I don't do any invoicing, I have no employees so this seems excessive. 

What is not legal in NJ is any form of required prepayment in excess of 1.5 months security.

If the prices are rising beyond the rate of rent increases it is for two reasons either too many novice investors are in the market and overpaying or investors have entered the market looking to park excess cash.