Do both. Verify but continue to let them use the site in a limited capacity or even better have a message at the top reminding them to verify as they use the site. Keeping the message up will drive the right people to verify and the wrong people to continue to not verify.
I would start by introducing a highly valuable or consumable product with the lowest price point. In other words, choose a lower cost item, but something unique and valuable. If you have to, break even or keep the profits minimal. This will create a positive perception and may even drive your fe...
Your lead magnet should come directly from your offering. Your full offering should contain a lot of “wins” for your customers throughout the lifetime of your relationship with them. Your lead magnet should be 1 of those wins. This demonstrates that the full offering is worth it because your cust...