I started vaping in late November of 2012 and started making DIY juice in December. I love making my own juice and having complete control over the flavor. It can be a little expensive to get started if you are impatient, but it's much cheaper than buying premade. A lot of the vendors here on ECF have great DIY sections and decent prices. My favorites for DIY supplies include: my freedom smokes, One stop DIY shop, Ecigexpress, wizard labs, and High desert vapes.
If you are really interested in DIY juice, you should check out that section of the forum. There is tons of useful information here:
DIY E-Liquid Everyone is really helpful on ECF, and the DIYer's answered all of my questions quickly...even when they were on topics that had already been covered.
Good Luck!
