Hello,
First of all, the best piece of advice is to apply to as many scholarships as possible. Out of every 10 scholarships that you apply for, you will, on average, win 1. Realistically, you should be searching for scholarships all year, as opposed to searching for one or two days over the summer, as many scholarships have deadlines prior to the summer. Here are some other tips on how to win scholarships:
http://www.studentscholarshipsearch.com ... rch.com%2F