We’ve all been there before: You’re looking forward to making that famous guacamole of yours for the big get-together at work on Friday only to find that the avocados you picked up are overripe. Needless to say, your guacamole is ruined. And who’s going to run out and purchase more? Sound familiar? Make sure it never happens again by following these simple tips for picking fresh, perfectly-ripe fruits and vegetables the next time you go out grocery shopping.