Like, can this mess up with my SD card and make me lose all of my games or something? I really wanted to try it out, but I had some traumatizing experiences on the Wii back in 2013.
Unless you decide to mess with your 3DS' NAND, than there is pretty much no risk to installing homebrew.
With the Wii you were dealing with kernel access which can be very scary to deal with if you don't know what you're doing. Right now I'm assuming you've updated so you can only run userland exploits. Userland can't hurt anything on your SD card. It can't brick the system (well it can if you corrupt your Play Coins but to do that you need to know how to do hexadecimal and be a complete idiot) Userland doesn't have all the access as kernel, but it's really safe. So the only risks are with saves. If you mess with your save with hexadecimal and you don't know what you're doing and put it in, the save may corrupt.
There's virtually no risks. If you're on 9.3+ SysNAND, the Homebrew Channel and its homebrews can only run in userland, so there not any chance that any of your game will be erased. The worst thing that could possibly happen is that you can corrupt your savegames if there's a problem while injecting a save using svdt or any save editor, but personally I use it really often and never had any problems.
Oh, and you can also get a semi-brick if you try to install a "bad" custom theme, but you can fix it by removing the SD card and choosing the default theme, and put the SD back again.
And, a "long" time ago, I saw one guy complaining about screen burns after using a NES emulator.
As you can see, there's not much issues, and any one of them can be easily fixed (don't know how for the screen burns part though), so you can be fairly sure you will not make your 3DS explode by using homebrews.
Oh, and you can also get a semi-brick if you try to install a "bad" custom theme, but you can fix it by removing the SD card and choosing the default theme, and put the SD back again.
And, a "long" time ago, I saw one guy complaining about screen burns after using a NES emulator.
As you can see, there's not much issues, and any one of them can be easily fixed (don't know how for the screen burns part though), so you can be fairly sure you will not make your 3DS explode by using homebrews.
The screen burn guy was below 9.3. I know it because he was using a CIA.
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Veho:
Illinois is working to ban toxic food additives that have been banned for decades in other countries; additives that can be replaced and all those countries still have Skittles and Mountain Dew. Title of the piece: GUBMINT WANTS TO TAKE AWAY YOUR CANDY -
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SylverReZ:
@Veho, Sounds and smells like bullshit. They don't give you cancer, and California should know that. I don't get why they stick labels that say "may or may not cause reproductive harm or cancer". -
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