Do at their own risk - Idioms by The Free Dictionary
do (something) at (one's) own risk (redirected from do at their own risk)
do (something) at (one's) own risk
To do something with the foreknowledge or forewarning that there is implied risk or danger which one must accept as one's own responsibility. When you choose to gamble, you do so at your own risk.
do something at your ˌown ˈrisk do something even though you have been warned about the possible dangers and will have to take responsibility for anything bad that happens: Persons swimming beyond this point do so at their own risk (= on a notice). ♢ Valuables are left at their owner’s risk (= on a notice).