Instead of going to a website which aggregates prices from the internet, most people based their prices on lists released by magazines which had sprung up in response to the demand for this and other collectable card game information
Sitting atop a hill, conjuring waves of honey around him with a beehive wand, Winnie the Pooh is everything Yogi Bear wishes he could be
This is better for a few reasons
You should always do your own due diligence and research when investing in sealed MTG booster boxes to assess their pros and cons, and if investing long-term, be prepared to hold them for a minimum of 5-10 years before selling
While you can cast a buyback spell with flashback, like with Past in Flames, the replacement effect for flashback means the card is exiled when it resolves regardless of if you paid its buyback cost
You can't really get value off multiple leaks on different spells