The cost is definitely worth it, but it is annoying that one month is so much more than the subscriptions.
Depending on how much you need to lose you could consider doing it for 2 months. Once the weight starts shifting you will be lots happier about the price I'm sure
My shopping bill is actually less now, as I'm only buying what I need to make up my calories. Frozen veg, brown rice, fruit and a few extra bits
Good luck if you decide to take it on xxx