Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to buy exchange traded funds [title] Open a brokerage account. [step] Like stocks, etfs are not available to individual investors directly, which is why those who want to buy in to these tradeable funds do so through brokers (including mutual funds acting as brokers). Many investors simply call their broker and place their trades over the phone.

Ending1: Many others, including most beginners, use online brokerage accounts. Such accounts are generally easy to use and provide the documentation crucial for trades. Ending2: To trade at an online exchange with your broker, insert a debit card, or your corporate id, and enter your information in the appropriate fields. [substeps] Only use this account if your broker allows it. Ending3: Buying at brokerage may be more difficult to do at a pha, so it may be a good idea to consult your broker before beginning the process. [title] Choose a broker whom you can trust. Ending4: These trades are fairly basic and can result in little, if anything over the long run. [substeps] Securities brokerages do not offer trades for more than $250 per transaction.

Answer format: ending1/ending2/ending3/ending4