Spectra S1 versus S2

Valerie • Due September 21st, born 7 pounds 7 ounces and 20 inches long on September 25 ❤

With insurance, the S2 is completely covered versus the S1 includes a $54.99 upgrade cost. Is it worth it to do the buy up for the S1 if I intend to have a more portable pump for work anyway (such as willow go for momcozy)?