Kevin Rooke | Technology, investing, and more...

1,000 ways to make money online

How To Sell an E-Book on Gumroad

How Daniel Vassallo made $97,000 selling an e-book he wrote in just a few weeks

How To Build a SaaS Product

How Yannick Veys and Samy Dindane grew Hypefury from $0 to $6,700 of MRR in just 6 months

How To Sell Used Books with Amazon FBA

How 'Romer the Roamer' built a $350,000 used book business from scratch with Amazon FBA

Explore the books recommended by the world's top investors, entrepreneurs, and thinkers

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My latest thoughts on technology, investing, and more

Tesla superchargers are great EV chargers, but slow compared to gas pumps. So how did Tesla disrupt the gas station with an inferior product?

The Genius of Tesla Superchargers

Tesla superchargers are great EV chargers, but slow compared to gas pumps. So how did Tesla disrupt the gas station with an inferior product?

Facebook made over $139 from the average North American user in 2019, and the actual cost to each user is roughly 10-20x higher than that.

The Cost of Social Media

Facebook made over $139 from the average North American user in 2019, and the actual cost to each user is roughly 10-20x higher than that.

Amazon's ad business is larger than YouTube. Amazon's subscription business is almost as large as Netflix. And that's not all.

Scaling Amazon Subscriptions and Amazon Ads

Amazon's ad business is larger than YouTube. Amazon's subscription business is almost as large as Netflix. And that's not all.

View dashboards covering the latest trends in EVs, Bitcoin, and more

Bitcoin vs. Major Asset Classes

US EV Efficiency

US EV Sales By Car Brand

US EV Sales Mix

US EV Sales Leaderboard

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