I want to speedrun Minecraft Bedrock any% glitchless. Is it a good idea to do so? It would be my first official speedrun and I think it's easy enough to do. If so, are there any important tips I should be aware of?

This is a tip thread for people that want to speedrun Terraria! I made this saying you're doing any% glitches. In the replies say any knowledge that would be helpful to a rookie speedrunner.

I want to start speedrun something and want to start with Borderlands 2, but would it be a good idea to do on my first run?

I really want to speedrun something, and I love borderlands. So I saw borderlands 2 doesn't have a ton of runs in my favorite character, zer0. In fact there's only one so I feel confident I could do it! Is there anything I should know or any tips I should use?