No - if you signed the bond it doesn't matter whether you have a job or not - or whether the bondsman asked you if you did. You are liable as surety on the bond - having a job or not has nothing to do with your liability. Sorry.
Yes! In California, bonds can be posted twenty-four hours a day, seven days per week. But whether you can bail someone out of jail at any time depends on their situation.
Once bail has been set, the defendant or a third party can post the bail to secure the defendant's release from custody. If the defendant cannot afford to post bail, they may seek the assistance of a bail bondsman.
Anyone can post your bail bond. Usually you will go through a bail bondsman so you put up a small percentage of the bail, but you forfeit that once the bond a returned. To qualify you need to have credit and collateral. If your bail bond is $100K ...