I think it's super tough to make it in the pro's probably only the top 15-20 guys make it on b.b. alone, the rest probably have to suplement there income one way or another.
Take into account that they stay "on" year round and your talking a bit of money, here is one pro's cycle (btw this would probably kill normal people)
week 1----2000mg test cyp---150mg dbol/a day
week 1----2000mg test cyp---150mg dbol/a day
week 2 ----3000mg test cyp---200mg dbol/a day
week 3-----4000mg test cyp---300mg dbol/day
week 4 -----5000mg test cyp---no dbol
week 5------3000mg test susp---200mg anadrol
week 6------4000mg test susp---300mg anadrol
week 7-------4000mg test susp---400mg anadrol
week 9-------10,000 iu hcg--800mg clomid
week10-------20,000iu hcg--1000mg clomid
week 11------4000mg test prop---100mg halotestin
week 12------4000mg test prop----200mg hal0
weel 13-------5000mg test prop----300mg halo
week 14-------3000mg test sus-----300mg halo----1000mg masterone
week 15-------4000mg test sus-----400mg halo----1000mg masterone
weekl 16-------10,000iu hcg---1000mg clomid
week 17--------20,000iu hcg---2000mg clomid
week 18--------30 ,000iu hcg---3000mg clomid
week 20---------2500mg test susp---1000mg of fina---
weel 21----------3500mg test susp--1500mg of fina
week 22----------4500mg test susp--20oomg of fina
week 23 ----------5000mg test susp---2500mg of fina
week 24 ----------1500mg test prop-----500mg anadrol
week 25-----------2500mg test prop-----500mg anadrol
week 26 -----------3500 mg test prop----300mg anadrol---1000mg masterone/day
week 27------------1500mg test susp-----200mg anadrol---200mg winng/day
week 29------------1500 mg test susp-----200mg anadrol---200 mg winny/day
week 30 ------------1500mg test susp------100mg anadrol---300mg winny/day