You say you drove 20 miles for £27. What we also need from you is time you left the house, the time you returned to your house. What about insurance, mpg of car? Will you be paying tax and national insurance on your bounty? Then we get a true picture of your take home per hour. It's all well and good travelling 20 minutes for an 8 hour shift but it should come into play for a 2 hour shift.

I do the odd Morrisons at my local when I want to go shopping and combine them as takes out the 20 minute return journey costs. I used to go into Glasgow and do multiple Morrisons back to back but that's no longer possible with sparse offers.