I too had that problem but no more, oh yeah, I have four quilt tops to be quilted at this time, but I have an excuse, I have been getting all my stuff ready for the church craft sale and for my shoulder surgery this Tues. So I won't be quilting for some time now.
My solution was to buy a Grace quilting frame and machine -I got it in a package deal and then, I can quilt them myself. I am not a great quilter, just waves, loops, straight line and such, but it beats paying to have them quilted. Unless of course you want, beautiful quilting.
Once you have quilted at least ten quilts you will have paid for your frame with the money you saved on quilting.