Expensively

"This revolution is going to transform our material world. It will let us make a whole host of products less expensively, with great strength, with less pollution and in general simply with better properties all around," he explained.

It's expensively priced.

Customers are usually enticed in with a "ducat", or pass for one free dance; after that it costs them ten cents a time. I can work out expensively, particularly with the heightened tempo of war.

The room was expensively furnished.