There's nothing quite like sipping a tropical cocktail with your toes in the sand. But at $18-25 a pop at most beach bars (not including tip), your relaxing day can quickly turn into a budget-busting affair. I've spent years perfecting the art of the "bring-your-own cocktail" at beaches around the world, and I'm here to tell you: you can have that premium resort experience without the premium resort price tag. My secret? Quality portable mixes that actually taste like the real thing. Avoid Spending $20 at the Resort Bar and Still Get a Quality Cocktail We've all been there. You're...