Value is one thing but how rare the games are should play a huge factor.
STLE & SMVE. How often do they come up for sale? And when they do how fast do they sell and how close to asking price do they sell for?
ST PRO
STTNG
24
Now these games ask the same question. They are a lot more common as well as the sales tend to be a lot more flexible.
Sometimes 4 for 2 does not make sense. Quality over quantity.