Don't rush, and go with n experienced horse which you cn trust and won't do anything odd
Find a good trainer (easier said then done tbh) and lots of practice
Consider the possibilities of injury to both yourself and your horse. Still worth it to you? Then go for it, my friend!
Find a good trainer. Talk to your trainer about your goals and your future so y'all are on the same plan. Also watch a ton of videos of pros riding to help you learn.
Get a good trainer and practice practice practice and then enter about newcomers or lead rein
Find a good trainer. Someone who inspire and teach good.