We are all going to have positions we're good at and others that we're going to struggle with.
There's no way to be good at all of Jiu-jitsu, so it's a massive benefit to funnel the action to the positions you're most comfortable with while staying away from "sketchy neighborhoods."
If you're position or guard of choice is Spider, your goals should be to get grips early and immediately make connections with your feet. From there you start to play for sweeps and submissions, all while limiting where your opponent is allowed to go.
Take advantage of the familiarity of the position to skew the odds in your favor, cutting off escape routes and counters with secondary attacks.
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