Easy come, easy go
Definition 1 of 1
Pro Tip 1/3Financial Context
Often used when talking about money that can be gained and lost without much effort. 
After investing in stocks: 'Easy come, easy go!'
Pro Tip 2/3Emotional Caution
Implies not getting too emotionally attached to things that are not guaranteed to last. 
She shrugged and said 'easy come, easy go' when her new phone broke.
Pro Tip 3/3Casual Attitude
Shows a relaxed attitude towards the loss of something, indicating it was not a big deal. 
When he lost the game ticket, he just said 'easy come, easy go'.