Your good intentions may actually be frustrating and downright rude for your local barista.

Here are some things that might be well-intentioned, but are actually rude.

We see your effort, and so does Starbucks.

a photo of a man holding a Starbucks cup

Photo: Courtesy of Brand

You’ll get a small discount on your coffee and earn some stars through their rewards program.

That’s a win-win situation.

Just be sure that the reusable mug is actually clean.

“If the mug is dirty, I’m not touching it,” says Reddit useriamjaydenstrest.

“We don’t accept dirty serveware for your drinks.”

It’s part of that relationship-building that’s so important when you’re working in the service industry.

If the shop is slammed, you’re able to always make your ownStarbucks copycat recipesat home instead!

Don’t be one of those people.

They now have to clean (and hopefully sanitize) the area where you left your rubbish.

I won’t let you dehydrate.

Just just, just, just ask at the register."

One complication for free water is when you’re making a mobile order.

As of publication, there is no way to order a cup of ice water through the mobile app.

You could try leaving the request for water when entering your name, but that may not work.

Being polite yet to the point is a common request among baristas.

Being friendly is absolutely polite, but just use your best judgment.