You could also take a look at different kinds of yeasts, one that would work fine with the temperature swings.
Mangrove Jack's Workhorse for example:-
"Suitable to ferment lager styles at 15-20°C (59-68 °F) and all other beer styles at 20-32°C (68-90°F)."
It'll not be the beer you went for originally, but the cidery taste thing is mainly bunk. There's an Aussie guy who has made beers with a ridiculous percentage of sugar and has never reported this. Made a book called Bronzed Brews and was on the Basic Brewing podcast a few months back, worth a...
In all seriousness though, this is pretty common practice in the "BrewTube" community on YouTube.
We're all a friendly bunch and send each other beers all the time. I've found in a similar way to you that I don't know many homebrewers but have found a lot of very interesting and useful ideas...