Each time; always; often — used to say that something happens on every occasion or frequently.
毎度同じ店で昼ごはんを買っている。
I buy lunch at the same shop every time.
毎度彼は遅刻するので、注意した方がいい。
He is late all the time, so it's better to warn him.
この企画は毎度のことながら準備が大変だ。
As always, preparing for this project is tough.
Abbreviated phrase used in business: short for 「毎度有り難うございます」 meaning 'thank you for your continued patronage.'
店員が毎度と言って袋を渡してくれた。
The clerk said 'maido' and handed me the bag.
常連客に対して『毎度！』と軽く挨拶することが多い。
Clerks often greet regular customers with a casual 'maido!'