難点

あそこの食べ物はうまいし値段も安いが、地の利が悪いのが難点だね。

That place's food is great, and their prices are good, but the fly in the ointment is their terrible location.

ただし押し込む瞬間気圧の変化のせいでしょうか、耳がツンとするのが難点です。

However, maybe from the sudden change in pressure when you push them in, having your ears pop is a problem.