When life gives you lemons, which happens at just about every restaurant, make lemonade with their free sugar!

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This is a simple math equations lemon + sugar + water = Lemonade.  How can you get free lemonade in almost any restaurant?  It is simple order a glass of water to drink and ask for them to bring you lemons.  I have never been charged for this.  

Squeeze a few lemons into your glass and then grab the free sugar packets at the end of the table, add on and stir.  You now have free fresh squeezed lightly sweetened lemonade.