In either case any money invested could be at risk.

With so much money already invested, most people find it very difficult to walk away.

As a result, they often lack the money to invest in new equipment.

Mike has made a considerable amount of money investing in the stock market.

We ought to have a little money of our own to invest, too.

People ain't going to let them stand idle; too much money invested.

"I learned a lot about how money really works and how to invest."

The money earned for the time invested added up to: Pool wasn't worth it.

Now they've got too much time and money invested.

It is therefore necessary to consider whether the taxpayers' money invested has brought the desired results.