Virtual assistant : Retirees with administrative experience should consider working part-time as a virtual assistant, where the average pay is $24 an hour. Consultant: If you have built up expertise in an area with heavy demand you can earn an average of $100 an hour as a consultant. As we previously reported, you can earn an average of $40 an hour reselling items on platforms such as eBay and Craigslist, or apps like Poshmark.