The US money is to improve the ground, so no they are not.
Next year, they could leave the ground as is, charge less and with the TV deal still be better off.
So your response is not really correct / relevant.
To an extent you are correct.
However if you look at Palace (pains me to say it), Parish has run them very sensibly. In the past they go up, blow the money, come down, go into administration and then repeat the cycle.
When they went up in 2013, they did not spend large amounts, Gayle was £6m...