In some states, like CA I believe, this might be in your contract, but if you live within the right constraints (e.g. use your own equipment, on your own time,

In some states, like CA I believe, this might be in your contract, but if you live within the right constraints (e.g. use your own equipment, on your own time, away from your employers facilities, not competing with the employer), then your work is is your own. Of course you should verify with a lawyer if you're really going to pursue anything serious or if your side hobby suddenly promises to become profitable.. Nitpick PS: I think you meant "bide"