10. The timeline is shorter than most people expect

Career changers commonly overestimate how long it takes to become a nurse. An Associate Degree in Nursing (ADN) at a community college typically runs 18 to 24 months of full-time study, not four years. Accelerated Bachelor of Science in Nursing (ABSN) programs — designed specifically for candidates with a prior bachelor's degree — take 12 to 16 months.
The American Association of Colleges of Nursing (AACN) publishes state-by-state directories of ABSN programs. Most run intensively year-round with limited breaks, so calendar time is significantly compressed relative to traditional BSN routes. Career changers with a prior degree often finish licensure faster than traditional students entering with no prior credits.
Add NCLEX-RN preparation and state board processing on top and the realistic end-to-end timeline for a career changer moving from decision to first RN paycheck is roughly 14 to 26 months. That is meaningfully shorter than the four-year figure that most people assume, and short enough to plan around a mortgage, family, and existing income.