Well, you asked this question a few days ago:
What's the best thing you ever got for free?
And so did these people:
2 months ago: Reddit what's the best thing you acquired for free?
5 years ago: People always say the best things in life are free. What's the best thing you've ever gotten for free?
2 months ago: What is the best thing you have ever received for free?
1 month ago: What is the best thing you have ever gotten for free?
1 year ago: What's the best thing you've gotten or continue to get for free?
3 years ago: What's the best FREE thing you have ever received?
4 years ago: What was the best free thing you've ever gotten?
4 years ago: What's the best thing you've gotten for free?
There's more but that should be enough to make the point...