If you're thinking about taking a variable interest rate, you're going to want to read this blog post. With the prime rate dropping, variable interest rates are coming back into the fold, and a lot of homeowners and first-time buyers are beginning to inquire about taking on a variable interest rate instead of the fixed. Now there is some risk involved in taking on a variable, but there's also some important features that we need to know about if we're going to consider a variable interest rate. So let's dive in. To begin, what a lot of Canadians don't know is…