When life gives you lemons......

put them on top of fence posts and use them for target practice with your rifle...if you can't sell them and make some money with them that is LOL

learn to juggle them(?). It doesn't sound like a good metaphor, but at least you are not left just holding lemons. You can also have more than 3 or 4 at a time, depending on your juggling skills. Which in life could be true because you may have more than 3 or 4 problems at a time.

you can sue Lehman brothers

This look like fine. hm.. but im not good with words... um... hm... er.... um.. When life gives you lemons... ah... hm... oh I know! When life gives you lemons you sell them or eat them and go ask for more because, well, life has lots of lemons and it doesn't mind sharing and letting you earn a few buck. that's not funny... oh well, i tried. sorry