A little about my upcoming Youtube channel

A small over the ear clip microphone works best. The mic is always the same distance from your mouth, no matter if you turn your head, move around, whatever.
Even a clip on mic on your shirt can be problematic if you turn your head to work on something, or scratchy sound from your shirt rubbing it
Each time you double the distance from the mic, you cut your volume in half.
A wired mic is effective, but can be a tangle issue if not addressed correctly and a Wireless is nice, but the transmitter/receiver system gets expensive. Be careful if you buy those used, The FCC sold off certain frequencies to the cellular industry and that becomes effective in June or July I believe.