Whether your project is four bolts or forty, you’ve got to be able to hang on for the ride.
https://www.climbing.com/skills/sport-climbing/the-best-way-to-gain-endurance-for-sport-climbing/
Three pairs of climbing shoes, a down hoodie, a sport harness—these are my personal favorite climbing deals of the week.
https://www.climbing.com/gear/id-recommend-this-gear-even-if-it-wasnt-on-sale/