I started off with £1 spins, then moved down to 20p spins after the initial 3 spins to try and protect the profit. That's generally my tactic with these offers with high WR so I don't waste a load of time. Obviously 99% of the time it's all over very quickly and my pockets are empty!
I did the Unibet offer a few weeks ago, played on Steam Tower and walked away with £220 after over two hours of spinning. I couldn't believe it. I still can't! I hit £160 after three spins or so and knew I was in for a long night. Was up to £290 at one point and definitely was on a downwards...
£12 Amazon voucher for approx 75 minute online study from Kings College. Must be 18-60, fluent in English and no known neurological, genetic, or psychotic conditions! I've signed up, waiting to hear back.
Not sure if anyone is still using this but you can get 2 months NOW TV Sky Movies pass for 5 sweatcoins today, new or existing Now TV users. V easy to cancel once you've subscribed so you don't keep paying.
I started 20 years ago (that makes me feel very old) collecting Beenz, which were points on little Java applets dotted around the (then much smaller) internet. Anyone remember them? I could only get part time work after Uni and moved on to Mystery Shopping and surveys, later on to matched...
Chance to earn £5 Amazon voucher with an online study. Says it's an hour's work but I usually find these things don't take as long, though I am prepared to eat my words!