I had a case of compulsive gambling in the past. At one time in my life, I lost everything that I personally owned. I was so devastated from the incident that I got into a serious anxiety and as I kept my gambling a secret I couldn't share it with my parents or friends and it kept getting worse. Ultimately I took help.
Compulsive gambling and hiding it would not only make you lose your wealth but might also destroy your mental health. There are several cases of suicides and homicides relating to gambling. It's preferable to share your gambling hobby and budget to your dear ones so that they'd  be there to prevent you from getting addicted to it.