When you’re deciding which kayak to buy, it’s important to consider your maximum trip length.
(I say ‘maximum’ because some people will say “Oh, I’m just going out for an hour or two most times and then sometimes I want to do a full day.” Well in that case, you still need a kayak that’s going to be good enough for the full day, so it’s the maximum trip length that we would look at.)
As your kayak trips get longer, certain features of the kayak become more important.