U.S. Small Business Administration Business (SBA) - Business Guide: https://www.sba.gov/business-guide
U.S. Small Business Administration Business (SBA) - 10 Steps to start Your Business: https://www.sba.gov/business-guide/10-steps-start-your-business/
IRS Small Business and Self-Employed Tax Center: https://www.irs.gov/businesses/small-businesses-self-employed
IRS Small Business – Check list for Starting a Business: https://www.irs.gov/businesses/small-businesses-self-employed/checklist-for-starting-a-business
SCORE - Startup to established business materials.
U.S. Bureau of Labor Statistics: (occupational data, wages, geographic profiles, etc.)
https://www.bls.gov/ooh/ (occupational outlook handbook: job summaries, work environment, pay, outlook, etc.
Business planning: https://www.usa.gov/business
U.S. Dept. of Veterans Affairs: Entrepreneurship