Me and a mate did our AFF over 5 days in Spain,
then did the 10 consols straight after,
so in total took us 8 days to get the "A" licence
I found it worked great for us, wouldn't have liked to have done it any other way.
After that I went 4 months without jumping but then when did finally jump again I found there wasn’t much I had forgot.
A quick 10 min recap with my instructor and I was fine.
My advice would be save up and go for it!
It will be the most fun week of your life!