what does ymmv and yrmv mean?

Your Mileage May Vary.

Meaning you may or may not get the same Session as another Hobbyist did.

Your Results May Vary. Similar concept to YMMV.

Tip: it's easy to find the meanings of acronyms like these by using your favorite search engine e.g. Google. Definitions from sources like Urban Dictionary, Internet Slang, and Acronym Finder will show up.

look in the self help center on this site.  It has acronyms and phrases and their meanings listed, it's just not as extensive as the UD.

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