nothing to sneeze at

nothing to sneeze at/not to be sneezed at
~ (это вам) не баран чихал/чихнул, [не фунт изюму]

Also
It's not to be sniffed at.

Meaning: not to be thought of as insignificant (usually about an accomplishment or an amount of money)

An extra thousand bucks a year is nothing to sneeze at. - Лишняя тысяча в год это вам баран чихал/[не фунт изюму]