what @iloveeggs said is pretty much spot on, beyond that you’ll sorta get a reading for the kind of student they are pretty quickly, some kids will just need you to keep them up to date while others you’ll be able to go ahead, just sorta keep with their pace. in terms of explanations it takes a...
im pretty sure you need the masters to actually be accredited, so if you can having that guaranteed from the start is pretty nice
also regarding offer rounds they start after atar comes out, unless you’re applying for gateway entry
one on one tutoring just costs more, group tutoring/centres means you split the cost between multiple people. i charge just under 100, imo it’s fair when u take into account commutes and preparation etc