Seems like a bit of a waste of time but whatever floats your boat.

It had Arnsat-1 painted on its side, which was a bit of a waste of paint since stars can't read.

I think they're a bit of a waste of time, myself.

It seemed a shame and a bit of a waste, really.

Don't you think it'll be a little bit of a waste?

In my University the first year was a bit of a waste.

No, I think that's a bit of a waste.

If not then it's a bit of a waste of time and effort.

To be honest, I thought that was a bit of a waste of money.

A bit of a waste on an old woman like me, ain't it?