Trust me, the convienece of it being open whenever YOU want will far outweigh the drive time.

I used to go to the gym from like 3am - 6am sometimes, when I couldnt sleep or came back from the clubs and didnt feel like going to sleep. Over the summer I hated this other gym I was at cause I had to work my scheduale around when they were open, then you feel rushed if you know they are going to kick you out soon...

Speaking of... going to the gym now h: