What are some cheats for roblox

There are none, unless you hack.
Yes. Follow the link. http://wiki.answers.com/Q/What_are_some_of_the_cheats_for_roblox

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Kai3345's Answer :

Hacking ROBLOX in any way, using any program, no matter if the owner of that program says is perfectly legal to use, will still get you banned on ROBLOX. You will be getting I.P. banned on ROBLOX. Depending on what you did, they may call the officials on you. Even if you only used a hack for a few seconds, it is STILL detectable, and will result in you getting I.P. banned.
Kai3345's Answer :

Source - My knowledge, ROBLOX's Terms Of Service, Privacy Policy, and the rules of ROBLOX.