When I was offered my current job, I replied that I thought the pay was on the low side, and asked if they could improve their offer. Two hours later, I receive

When I was offered my current job, I replied that I thought the pay was on the low side, and asked if they could improve their offer. Two hours later, I received an email with a 15% improvement! I'm really not very good at negotiation, but getting a 15% raise just by asking? I'll be doing that again :)