A short list of tools that actually improve photos, video, and focus.
You do not need a full studio. You need reliable light, clean audio, and a laptop that does not thermal-throttle mid-export.
Start with a compact LED panel, a clip-on mic, and a tripod that fits in a tote. Those three upgrades beat another camera body for most people publishing from a phone.
Then protect your time: a second charger in the bag and a simple backup drive. The unglamorous kit is what keeps a publishing streak alive.