The Lightening Network basically is an offline scalibility solution for bitcoin. With it, you and your partner can do frequent, micro payment in a fast way and a lower fee via state channels. Bitcoin main chain only needs to record the beginning state and final state of the channels.
No you and your partner can do big payments and play ping-pong for months on end
and get the cost down to $0.00001 per transaction if you like but in the real world the
network looks like this
https://lnmainnet.gaben.win/ so we have Tx fees on five hubs
and micro interest payments to contend with and they will all be summed up and
past on to you and your long distance partner who likes cash to buy her hand bags
with anyway.
Tell me you're not one of the miners are you because in my book they come a poor
second to slot machine players and only slightly up on the mystical creatures known
around here as Whales
Here I recommend you watch this
https://www.youtube.com/watch?v=UYHFrf5ci_gbecause it seems like you have only watch this part so far.
https://www.youtube.com/watch?v=rrr_zPmEiMEbut if you want middle of the road then watch the long version
https://www.youtube.com/watch?v=MpfvhiqFw7Aand stay to the end where he calls the big hubs banks too.