Approximately 10-15 years ago, I swore off box sets, heavy vinyl, re-masters, Mobile Fidelity Sound Labs, and anything pressed after the year 2000. Why?
Not one of dozens of purchase of any of the above had great sound quality. So I might as well play the digital version which sounds better and is more convenient.
The above pressings have little to no dynamic bite / slam, and are compressed or dull and lifeless.
Sometime around the year 2000, record companies changed the formula of the vinyl (if it really still is vinyl?). The new formula plays quietly, which is great for countless cartridges that are misaligned (I would estimate that 99.9% of cartridges are misaligned -- there are ~dozen alignment settings, and special tools are required, and special skills required).
The result of a misaligned cartridge is that the stylus rubs where it should not rub, resulting in noise (that noise is not in the groove -- it is in the way the misaligned stylus is rubbing within the groove). It is akin to your car's tires rubbing against the curb.
All of my purchases are used (because I have never found a single pressing after the year 2000 with outstanding (or even pretty good) sound quality).
If I want a virtually sure thing, then I purchase from Better Records. They actually listen to both sides of the records that they sell (perhaps not every song -- but they do listen and rate each side, strictly on sound quality).
But Better Records prices are high. You are paying for all of their rejects that they do not sell on their site, and you are paying for their labor to clean and listen. But it is risk-free, as they take back any record for any reason, no questions asked. I have returned a handful, not because they sucked, but because although they were the best that I had heard, they were still not good enough for the price. Some titles have zero great sounding pressings (Meatloaf's Bat Out Of Hell comes to mind)..
Better Records does not sell everything. For other titles, I roll the dice on eBay and elsewhere. Nine out of ten times, it is money down the drain. I have often purchased a dozen or more of the same title, crossing my fingers that at least one of them would have great sound quality on at least one side of the pressing.
Even with a dozen purchases of the same title, often none of them are worth playing, to my ear. But once in a while the stars and the planets align, and I land a gem -- real ear candy.
Lord knows what goes on in the studios and pressing plants, that so many of their pressings are defective (my term for "eh" sounding pressings).
But with today's prices, and the low success rate, and my wallet on life-support, I rarely make any more vinyl purchases.