The tendency is to select from governors or elected representatives from Senate. Occasionally, a House member rises up and gets attention, but the most common source of Presidents is successful governors, Senators, and generals. If you just want to run, that's easier. But winning requires support from the party, and the vetting process is extensive.
First, sell your soul. Next , prove that you have no compunctions convincing the working class of the populace that the taxes your imposing in them is for the " greater good" while all the while you are really redirecting the monies into your own bank accounts and special interests.
Uh, as a technically eligible candidate? Or in the real world? . Technically, by the constitution: -- minimum of 35 years old. -- native-born US citizen (or if born abroad, must be born to US-citizen parents) -- must have lived in US for a minimum of 14 years . In the real world: All technical requirements, plus: -- minimum college degree, law degree also is generally preferred -- have a squeaky-clean personal history -- have a squeaky-clean (public) political career and public record -- no criminal record -- preferably married, preferably with kids -- public/community service record at some point -- political service record, at least to State level, preferably up to US Senate level -- military service (preferred not required) -- charisma (media requirement) -- good speaker (media requirement) (or at least good writers and advisors) -- connection to a network of current political office holders and their campaign contributors network -- approval, endorsement, and support by said network -- political stances that do -not- alienate said network -- fairly consistent stances on issues throughout political career -- hefty money/income of your own (not from contributors) -- have one heck of an accountant from the time you leave school and forever afterward ... to make sure you pay the absolute minimum in taxes without running afoul of the IRS or watchdog groups . And I'm not saying I want all that stuff, but those are usually the areas that get hammered on with candidates for pres & VP. -- Have I missed any?