Where to Find Cheap PC Parts for a Budget Build?

Hey everyone, I'm planning my first budget PC build and need some advice on finding cheap PC parts without sacrificing too much quality. I want something that can handle everyday tasks, light gaming, and maybe some basic video editing. Any suggestions on where to look for reliable parts? Are there specific websites, online marketplaces, or even local stores you’d recommend? Also, how can I tell if a part is genuinely a good deal or just low-quality? Thanks in advance for any tips!