"Why invest the time when you think you've done a lot of research on your own?"

But the time invested appears to be worth it.

Still, I think you can't blame a man who doesn't have any more than his time and labor invested for taking a hike.

For those who worry about low back pain that has not yet appeared, an exercise program is time well invested.

The majority did not know the best time to invest in a bond fund (when interest rates are expected to fall).

The concerts may not cost anything, but are well worth the time invested.

But for all the time and manpower invested, you could mobilize 50 people much more cost effectively.

Now, after all the time invested, it would be disastrous for both teams if the multimillionaires failed to trade places.

You need to find an experienced, trustworthy individual who has both the time and inclination to invest in your success.

But the acquisitions and time invested had worn out his pocketbook, too.