If you offer tuition (e.g. GCSE and A-level), where do you advertise, and what has been most successful?
Back in the day, I advertised in shop windows, which used to work, but I don't think it's as effective any more, as people will probably google "tutor in their home town". This year I'll be advertising in local Facebook groups. Does having a sign on one's car work, especially with a QR code?
I have used tuition agencies before, but that's expensive, as they often demand a commission per hour of tuition given.