be wasteful with

You don’t want to be wasteful with that expensive gas you’re buying.”

“I mean, we never want people to be wasteful with energy,” she said in an interview.

“We haven’t got much time to be wasteful with any more chances.”

It’s a knockout now and we haven’t got time to be wasteful with any more chances.”

Just as important, it is another sign that the cost of computing has fallen so far that it makes more sense to be wasteful with server power, and harvest the results, than it is to plan everything carefully.