増ふえても減へっても

expression

more or less; give or take; roughly

Used to indicate that a small difference doesn't matter; the overall situation is about the same regardless of slight increases or decreases. Often implies a rough estimate or that the exact number isn't important.

• 参さん加か者しゃは増ふえても減へっても、だいたい30人にんくらいだろう。

  Whether it increases or decreases a bit, there will be about 30 participants.

• 値ね段だんは増ふえても減へっても、今いまとあまり変かわらないと思おもう。

  Give or take a little, I think the price won't change much from now.