do something at your own risk
do (something) at (one's) own risk
To do something with the foreknowledge or forewarning that there is implied risk or danger that one must accept as one's own responsibility. When you choose to gamble, you do so at your own risk.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
do something at your ˌown ˈriskdo 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).
Farlex Partner Idioms Dictionary © Farlex 2017