He does his invoicing, prints his checks, updates his general ledger, processes his orders and prints out amonthly income statement that he uses to run his business.
Whether you are a do-it-yourself investor with an online brokerage account, or you get investment recommendations from a broker at a full-service brokerage firm, you'll typically receive an account statementmonthly, or at least quarterly, and a trade confirmation every time you buy or sell a security.