$50*
The following is not aimed at you, so nothing personal
Ask yourself…who is going to buy this in the future, why would they buy this in the future, and why would they pay more? For everyone person that has 10 boxes like you do, there are 100 people that have 100 boxes, or cases. All modern sealed was hoarded en mass, in pristine condition, with an expectation of making money. The demand may have been somewhat organic, but the collectability is certainly not.
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The best thing you can do is ignore all of us and make your own decision based on your life position and what your goals are.
We learn more from just making a decision and continuing to STAY in the market. All of us who buy Pokemon are primarily focused on emotions since these are all fictional characters. That’s also who we sell to, so keep that in mind when thinking of the future 
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I would just sell everything except a few booster boxes and buy one or two really nice graded cards.
I get the idea here that people are trying to promote higher thought and the “teach a man to fish” ethos (and this is the better way obviously) but imma just shoot you straight, thats all check out aisle junk
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Thank you for that advice, I’ll list these soon and see if I can get any bites. 
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