Just make sure your extract to grains are about a 50/50 mix.
Another thing I do is use LME for 3.3lbs or whatever container size I have and then use DME for the rest. Save money with LME but try to use DME as much as you can for various reasons (color, taste, anti twang).
Grinders Island Brewery - Pipeline
142 batches and counting
West Coast Blaster and getting an East Indian Porter ready for a beer fest