I wouldn't mind my coins sitting on the shelf for 2+ years if I eventually get that kind of pricing. In fact, I do keep mine on a shelf that long.
What's wrong with waiting? It's not like the coin takes up a lot of space. And, a graded coin doesn't degrade over time.
Yeah, I buy my collectibles with the mindset that I might never sell them, just hand them down to my kids when they are old enough. But my post was more on the paradox of $/BTC value, I mean it's not unlikely that BTC could be in the $10k's range in 20 years when I hand my physical coins to my children. At that point they are worth a lot more in $ value than what the OP is asking for now, however I could also just hold 19btc for 20 years and that would be more valuable than the coin in terms of $. Hard to determine best time to buy is my point.