What does it mean if someone is giving you a "run for your money"?

Question

What does it mean if someone is giving you a "run for your money"?

Answer 1

compete with you, try to defeat you  I'm not the best skier, but I'll give you a run for your money  

Answer 2

Old racing term I believe, it means that the competition is close, that you are having to work hard to get what you are after.

Answer 3

Some one as throwed a challenge at you (anything) you are going to give them a "run for your money" it Means that they are not going to win easily, you are going to do your best to win.

Answer 4

It means that someone has over charged you...

or taken advantage of you...

or a serious challenge to ones supremacy...

Answer 5

It means you got good value for what you paid .....a good run for your money !!!!

Answer 6

They are not making life easy for you.

Say a philandering  bullying man marries a gentle caring woman and so abuses her gentle nature that she decides to make life very uncertain and awkward for him by her own behaviour towards him (the mouse has turned) she is giving him a run for his money  

Answer 7

Their more than your equal.

Answer 8

It means that they are taking a fee for you to enter a marathon, fun-run or similar event.

Answer 9

You have bought a laxative from them.

Answer 10

say if youre a proffessional runner,then an ameteur challenges you to a race,and you only just beat him. hes gave you a run for your money,it applies to everything along that stamp,not just running which was an example.