Framing 'ell

I do hate it.
Usually I take major works to my framer who always does an outstanding job.
But when we (edan) do smaller projects I have a go myself and everytime I swear... never again.
It involves doing sums you see. And even with the use of a calculator things go awry..
And it's fiddly.
And even when you get it all right and turn it over for the final polish - you find a stray hair inside.
Grrrrrrrr
My story is - look - you're buying the art - the frame is free - my advice - get a professional to do it.