This is a marketing requirement, not an ego-driven need. Team members and assistants must be carefully acquired. You need people who are both able and personally compatible. Care must be taken when hiring assistants. It's best if they're licensed, but that is not required in all cases.
Modernization is necessary.
Computers, cell phones, faxes, and websites can all lead to better communication, enhanced marketing, and greater productivity. Understand that real estate is a service business. Brokers do not buy or sell real estate, they sell the service of helping others attain their real estate goals. Mega agents are adept at showing how clients benefit from their services. As your practice grows, promote your results.