Wrangled yourself an invite to someone’s cottage this year? Nice one. You must be doing (or did) something right. Read our list and tips and tricks to be the best temporary cottager you can be and guarantee a golden return ticket for next year. Staying at someone else’s cottage is almost like moving back home: there are basic rules you should follow if you want to have a harmonious weekend under the same roof. Be gracious, don’t complain, and help…