The phrase "hassle of" is correct and usable in written English.
It is used to describe a challenging situation. For example, "The hassle of finding a new job was overwhelming."
Is the hassle of planning an outing worth it?
Skip the hassle of cooking your own holiday feast.
"And why have the hassle of protecting your files?
Other academics don't want the hassle of being called 'sexist'sexist
Talented executives will stay away from boards rather than endure the hassle of endless scrutiny.
Without the hassle of printing and distributing print books, becoming a publisher is a simpler proposition.
And the cost and hassle of America's visa policies grate harshly.
I was tired of the hassle of flying, sleeping in hotels and being away from home.
Moreover, it would help reverse the hassle of indignity that flying has become.
The sheer hassle of dealing with all this is prompting more Americans to renounce their citizenship.
American companies are spared the hassle of transacting in another currency.
