Lemonade stand of the future! Kids are making thousands with their summer side hustles thanks to cashless payments

When life gives you lemons, squeeze ’em for a profit. The lemonade stand is going cashless as today’s tech-savvy youngsters reinvent the classic summertime fixture for the 21st century, with a cup of freshly squeezed juice now just a tap of the phone away. And in a world where most people no longer carry pocket change...