If you are like most parents, you are already feeling the crunch of school supplies. This time of year sends all of us searching for ways to save money on a tight budget. The school supplies lists are not getting any shorter, right? Fortunately, there are a number of really easy tips to save money that you can take advantage of. Here are some that have helped me the most over the years:   Take a good inventory before you shop   Every home that has children has school supplies laying around somewhere. Gather up what you already have and mark it off the list. Your kids may pitch a…