If you want something you can just set up and let tick over while you're busy with other things, the Bingo Blitz offer on Scrambly is a great one to look at. You can realistically pull in about £50 without having to grind away at it.
How I Cleared £50 Passively with Bingo Blitz
Scrambly asks you to play for a couple of hours a day over a 40-day window, but here is the real secret: you can literally just leave this running on your phone while you go about your normal daily life.
The best part about using Scrambly for this one is that the payouts are instant once you're verified. No waiting around for weeks to see your cash.
It’s a super easy task for some easy money. Even if you don't mind actually playing it for a couple of hours a day, the game itself is genuinely a very fun bingo game, so it doesn't feel like a chore.
If you prefer side hustles that tick over in the background while you get on with your day, this one is definitely worth grabbing.