How to check a price and quality for combo or DB, and how public it is?

[Timton]

1st. On mega.co.nz with files directory output. I check data of uploads, if there's a year pattern like 2014-2015 its probably useless kind of a combo. Also mega.NZ hitratio on new fresh combos or rat dumps goes up to 5%, so its a lot. If there's a lack of mega accounts probably base is shit. For specific kind of test, you can scrape or manual check IP logins amount, since when and etc. If you will pick 10 accounts you'll find a pattern in most used combos/resold ect. Amount of premium accounts is important, if theres a lot it means its really good quality DB.