Using goDaddy's domain buy service

Anyone any advice on goDaddy domain buy service?

Working with a startup who want to purchase a four letter .com domain?

For the sake of argument the domain is Any idea of what price we come in at?

Or any tools which help estimate price of domain names?

No idea but we can take bets. My bet is $150k


i thought this could be big.

I'll try and persuade him to get the .io