During this heatwave in Los Angeles it's tempting to go for that $1 (-plus) bottle of water. But according to some reports, these products represent as much as a 4,000-percent markup on tap — and many of them are simply filtered tap.

Of course, some of you like the whole process of forking over cash for stuff, even when it's worthless. It's called retail therapy. For your therapeutic needs, we've compiled a short list of other crap you can waste your money on:

Sorry Tito.; Credit: Punishment Athletics

Sorry Tito.; Credit: Punishment Athletics

Gothic-lettered, mixed-martial-arts t-shirts made in China: Because nothing says “I took one jiu-jitsu class and I'm ready to get my ass kicked” like spending $40 on a shirt that's going to fall to pieces, just like your MMA skills.

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Spice, the legal, marijuana-like drug available at your local head shop: We hear it gives you a quick boost that wears off faster than you can say, “Where the f#@% did my $50 just go?” Invest in a doctor's note and head to your local dispensary instead.

Credit: Apple

Credit: Apple

The iPhone 4: Nothing says “I'm new to the whole iPhone thing,” like showing off that block of a device that has had trouble even working as a phone. Wait for 4.5.

Credit: mikeg626 via Flickr

Credit: mikeg626 via Flickr

Joining a gym and never going: You know who you are. If just paying $30-plus a month makes you feel like you're a member of the fit club, fine. But know that, in L.A., the whole outdoor world is a giant gym. And it's free.

Credit: drivenbyboredom via Flickr

Credit: drivenbyboredom via Flickr

Bottle service. $500 for a bottle of Belvedere? Hey you in the Rock & Republic jeans, why don't you just change your Facebook status to “Genius.”

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