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I have had conversations with people I know who have BGEs and one thing a consistently hear is they have all had trouble getting a fire started using other brands of lump other than BGE. I know it is tempting to get the cheap stuff, but trust me, it is worth the little extra money in the end. I can use one fire starter in the center of the lump, light it, cover it with one medium to large piece of lump, and the fire will take off. I can be up to 300* in 10 minutes usually.
Another thing, depending on what you are cooking, you may not need to fill the fire box up completely. For direct cooking that will take no more than 30 minutes to cook (probably less in most cases), I can get away with a little less than half full. This will allow the air to get to it with less restrictions and it will light quicker. Hope this helps.