I've never been to The Fringe and it's on my Bucket List. So this year I will go. There no problem with accommodation as I have relatives in Motherwell and can get the train in daily.
But I don't actually know how it works as it were. I'm aware there's various acts, plays, comedians, etc from well-known to complete amateurs. And logic tells me there must be venues all over the city.
So I figured there is bound to be those on this forum who can offer some practical advice and suggestions, so this poster can get the best from the experience. I'm thinking just a couples of days for a start.
To think that London, or anywhere else for that matter, does not belong to any one demographic