Actually rich, it's not so bad - once you get into the rhythm of serving customers, it's more or less another case of braindead burger flipping (step 1 : greet the customer, step 2 : ask how you can assist them, step 3....) It's just when you get the 5% of nightmare customers from hell (i.e. the ones that abuse you for shiznit that isn't your fault, or the ones that will hold up a long line of others bitzing about how they should be getting $1.50 off their purchase because the Sign Says So... one learns to use the 'I'll have to ask my manager' line very quickly.
I henceforth declare that I will be nice to every retail employee I ever see, ever. Ugh.

On the upside, I got paid yesterday! $10 AUD/hour is pretty shiznitty, but it sure beats sitting around earning $0.