Don't think there is a universal going rate Jack..
It all depends on the area that you work in,.and of course, the financial situation of your clients.
Some folk I work for, are multi millionaires,.whilst others are less well heeled...
I would agree that it is always best to keep busy , as opposed to turning down work, simply because of a few quid difference,.but,..speaking personally,..I have been in the mole and rabbit control business for a long while,.. and I believe that the secret to survival and longevity,..is to be both adaptable,.and flexible....
Bottom line is,..we do,