What’s YMMV?

When I was doing my research on my home network, I ran into an acronym I had never seen before: “YMMV”. Always curious, I immediately checked it out and found that it stood for "Your Mileage May Vary", which is used to acknowledge that an opinion or experience is purely subjective and may differ for others. It implies that what works well for one person might not work as well for someone else, and vice versa. 

In fact, the phrase "Your Mileage May Vary" originally appeared in car commercials to acknowledge that factors like driving conditions, habits, load, tires, ski rack and the car's specific make and model could affect fuel efficiency or mileage as most call it. 

This expression was adopted in social media to precisely express that something that works for the speaker might not work for others, due to individual differences in experience, taste, or circumstances. Something like: "I really like this pair of skis, but YMMV." My driving experience with Tesla was fabulous, but YMMV." 

Good luck in making the best of YMMV!