Back of the Envelope: $50 Giveaway

Author

Andy Lin
March 05, 2025

Happy hump day! šŸ«

A few weeks ago, I mentioned that thanks to Durafuseā€™s sponsorship, I can now give back to you for supporting me and reading my newsletter. So here we go!

How It Works:

Twice a month, Iā€™m giving away $50 to one Back of the Envelope subscriber. No gimmicks. Just a small way to say thanks for being here and helping this newsletter grow.

How to Earn Entries:

  • Take the Durafuse survey if you havenā€™t already done so (super quick, I promise)

  • Refer at least one person to Back of the Envelope (use your unique link below)

  • Refer at least one person to SEHQ.pro (you have to be part of the community already though - more details inside there soon)

Each action stacks, so if you do all three, you get three chances.

And if you refer more than one person? Even better ā€” you get extra entries (Iā€™ll break down the details soon).

No Need to Track Anything

Iā€™ll track and tabulate everything ā€” just be sure you use your unique link when referring people. Winners are picked at random based on the number of entries.

Not Sure What to Say? Hereā€™s an Example:

You can send something like this:

"Hey FYI, I read this newsletter called ā€˜Back of the Envelopeā€™ by Andy Lin. He talks about structural engineering, AI, and personal development. Sometimes informative, sometimes funny, sometimes a bit lame (but rarely). Either way, itā€™s pretty interesting, and I think youā€™d like it! [insert link]

Also, full disclosure, if you sign up through my link, it helps me enter a $50 giveaway heā€™s running for subscribers. No pressure, just wanted to share!"

Hope that helps!

Thatā€™s all for now ā€” thanks for being part of this!

(Let me know if you have any questions)

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or to participate.