It's not cheap, but it is a worthy investment.

A thorough look at how pilots in the US are paid.

Pilot ranks, indicated by stripes on uniforms, signify levels of seniority, experience, and responsibility for airline pilots. Progression through ranks, from Cadet (1 stripe) to Captain (4 stripes), ...

Narrowbody pilots are mostly paid on their seniority and are typically paid more than regional pilots but less than widebody pilots.