breakeven

To neither gain nor lose money.

“After an entire night playing poker, he nearly broke even.”

To stay the same; to neither advance nor regress.

“It's a lot of work just to break even and keep the weeds down.”

The level of revenues sufficient to cover costs.

“We'll never reach break-even if our variable costs are higher than our selling price.”

That is characterized by the level of revenues just sufficient to cover costs

“The Altair 8800 computer was a break-even sale for MITS.”