If violators cannot make bail, they must remain in jail and the A&P hearing will take place when court next convenes. If the violator is not released at the A&P hearing, a trial must be held within 48 hours.
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.
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 ...
Stay in the state of Texas until trial. Do not use any drugs prohibited by law or by the court (which even can include prescribed narcotics). Work at suitable employment. Report on a regular basis to a probation officer and notify such an officer of any address changes.