One of my favorite albums ever bloodhound gang - one fierce beer coaster, but when I played games it was always too long do I chose FierceCoaster and never looked back.
I normally allow 10 to 14 days for conditioning, and use about 1/4 to 1/2 cup corn sugar. Temp it's maintained at around 70° or as close as I can get to it.
So it is hit and miss but more often then not I have very low to not carbonation in my beers. I also make sure to clean and maintain temp, any suggestions?