besides booking what I hate is the too much noise I get. The downside of booking too much early is what if I can't make it. Usually I book 3 weeks before just to be sure I do not have anything to do for work..but now huhuhu
I only use my mobile data for streaming. I only streamed with our laptop(which we connected to the tv) once and it pretty much got a good signal but I feel like if you would stay in much farther camping ground then signal won't be ok.