The idiomatic expression "on the plus side" means that there are some positive aspects or benefits to something, even if it also has negative aspects. Full definition
A plain burger with blue cheese and bacon, plus a side of fries and a soda. (eater.com)
As an alternative to ordering a giant meal, choose a few sides or appetizers to snack on instead, or order a single taco plus sides for a well - rounded mini meal. (greatist.com)
Actual cost value is minimum coverage and its only plus side is a lower monthly payment. (insuranceproviders.com)