There’s no getting around it: The economy sucks. Unemployment is through the roof and every aspect of daily life is affected by it. One of the first casualties of pursestring-tightening is the gym membership. What was once taken for granted is now an unaffordable luxury. And it doesn’t help that bacon is the last casualty. That doesn’t mean that there aren’t ways to keep in shape on the cheap. Here are five ideas that’ll make sure that even though you may be down on tough times, no one will kick …