Whichever name receives the most money will be the most useful.
“Why didn’t you stick to this business model instead of promoting the idea of using your…

The name is branding. It ought to appeal to the most people while giving a sense of what the site is about.

How can the amount of money paid be correlated with this?

Say 70 people spend $1 each for one name = $70

While 30 people each pay $3 for another = $90…

You will go for the second name, despite the other being more than twice as popular. Good luck with your marketing on that basis!

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