Tesla's clubby referral program has long rewarded enthusiastic owners for bringing their friends, family, and complete strangers into the electric car fold. The new buyer gets a nice little perk, the missionary climbs a lucrative pyramid of gifts, and everyone wins. Especially people like Electrek's Editor-in-Chief Fred Lambert, who's converted 69 people into battery believers and earned himself a free $250,000 next-generation Tesla Roadster.