bind "v" "buy_awp"
I don't play a lot with awp, but I know it can be useful for some players, b - 4 - 6 takes longer. 
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bind "j" "sm_admin" - only for admins.
bind "h" "say_team sm_cancelvote" - used a lot when we had old voteban system, only for admins.
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bind "i" "say_team nominate"
this one is helpful when I see someone hit nominate and about to choose the map, I hit "i" and nominate any map before other player choose it. You can always hit "i" again and change the map you want, it will still be the first on the list.
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bind "p" "record wtfhax"
bind "end" "stop"
If you record it over and over last demo you recorded will be wtfhax, then wtfhax_1, wtfhax_2,....wtfhax_4, I think after wtfhax_4 it overwrites the first wtfhax, so be sure whenever you get a good demo stop it, minimize your game and change name wtfhax.dem to name_of_your_cheater.dem.
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You can bind all server commands, like bind "l" "say thetime" "say nextmap" "say status" "say rank" etc.


Please share all binds that you use in game, so maybe someone find them helpful.