We normally do, but we inherited an estate about 10 years ago, the prices were £4.50 at the time, we have inched them up over the years and we can just about do over £20.00 an hour on them, so we have just always treated them as gap fillers, a "B" List if you like.
We knew exactly what would happen if we put them up, Also they help to fill the hours when we take on a new member of staff.
I know I shouldnt but..............
If we took them on now we would say about £12.00 and would get it.
A lot of pricing is what the customers are used to paying in an area, my wife says every month to get rid, perhaps she is right.
Dave