Share 'Your Criteria for Choosing Categories?'

What is the most important criteria you use when choosing a category to register and race? Such as... Always register/race within currently designated USAC classification? Podium potential? Point accumulation? Crowd avoidance? Crowd participation? Covert competition with other rider(s)? Open competition with others, friends, etc.? Self evaluation among better riders? Sandbagging? Pride? (...move…