The guy on my stbd. side at the boat yard has a Yanmar single engined 29 ft. boat with bow thruster.
On my port side is a guy with a 26 ft. Searay, no bow thruster.
They both get around well, just have different ways of getting around.
If you practice as much as possible, you will probably find you may not need it.
But if you don't get much time to boat, it might help you. It's just a big buy.
It's up to you. If you need it, buy it. It's your boat.
Just let us know how it goes if you do get it.