Solved! Help! Which one to buy?

Apr 13, 2018
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Hi, thanks for all of your input and reviews for the smart home gadget. I'm so lost as to which one to buy. We just want to have light switches that can turn on off from our phone or one set place to turn off all of our lights. Our wifi is spotty, so is there a system that doesn't solely work off of wifi? Also, our home is 8000 sf, so some of the devices I have looked at won't work (caeseta). Do we need a hub?

Thanks!!!