EASY COME, EASY GO
Meaning- something that is easily obtained lost easily.
Usage- You spent all your birthday money in the morning? With you , it’s easy come , easy go.
Origin- This saying goes all the way back to the famus Canterbury Tales , written in the 1300s . The Geoffrey Chaucer was saying that if you get something quickly and easily without really working hard for it , you will probably spend or lose it just as quickly.