Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to tell when free stuff is a scam [title] Look for the company's main website. [step] Most businesses offering free stuff are doing so to promote their website. If there is no main site then chances are the company does not exist and this could be a phishing scam.

Ending1: [title] Ask other businesses to advertise products and services on the free stuff site for free. [step] Generally, the most popular free stuff things are those with the price close to the target price. Ending2: You can also check promotional links for companies that sell free stuff, like ezine. A good indicator is the large number of products the company distributes. Ending3: [title] Find the " about us " page for the company. [step] If they have an address and phone number, cross reference those with online phone books and google maps. Ending4: [title] Listen to the content of the website. [step] If you've been hiring someone to sell free stuff for you or your company, take some time to look into the site.

Answer format: ending1/ending2/ending3/ending4