Which innovative product launch strategy did Tesla use to fund the development of its more affordable Model 3?

Tesla has disrupted the transportation industry not just with its electric vehicles, but also with its unique approach to product launches and market penetration. This poll tests your knowledge about one of Tesla's most innovative product launch strategies that helped establish the company as a major player in the automotive industry.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

The 'top-down' approach - launching the expensive Roadster and Model S first to fund development of more affordable models
The 'subscription model' - initially offering vehicles through a monthly subscription service before selling them outright
The 'crowdfunding approach' - raising capital through Kickstarter campaigns for each new vehicle model
The 'franchise model' - licensing technology to established automakers before producing their own vehicles