help in Five Nights at Candy's

Hey guys
I cant´t beat the max mode like i get to 5am but i don´t enougth power to survive so any advice would be nice

I was playing the then i wanted to see if there will be a jump scare but then the kept saying the same word NO POWER NO LIGHTS NO DANGER NO WORRIES NO FUN NOW I HAVE TO SIT IN THE DARK AND THINK ABOUT WHAT I DID will apear if no robots and power was off
Does Anyone Have Tips For Night Five?
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Is there a way to just skip nights like in other games? I tried to beat some night but somehow it won't work. Also I got a strange bug when I close the window and when blank comes and I still make the window closed it jumpscares me somehow. Please #help
On night 6 Rat jumpscared me without being on the door cam. Is this a bug or am I missing something?
also does anyone have ideas to beat night 4 because its very hard
Who is stuck on night 6 on FNaC R?