what happens with first time theft of merchandise

What you are describing is called "retail fraud", commonly referred to as "shoplifting". If you are charged with this offense, it can have serious consequences for your future. Conviction can result in jail time, probation, fines and a criminal conviction on your record. This conviction will follow you throughout your life and you may be asked about it when you apply for a job or even a lease. Depending on your age, and your current criminal history, there are ways to lseen or even prevent the penalties that you may be facing.