This has been a pretty popular topic recently judging by the number of threads that have been started on the topic. You should be able to find some of them using the search function in the centre of the menu bar above.
We have our daughters address as our home address so all mail goes to her. If it is important we set a place we will be for her to send it on. Not much mail ever comes as I don't get paper bills but if it is important she copies and emails it through also with all info for me to pay online.
Enjoy your tripping
I use my brother's address. Sis-in-law opens it, scans and emails anything that needs my attention. Luckily I only have vehicle insurances etc to deal with mostly - other than the odd toll bill when in Melbourne when I thought I had avoided toll roads!!!!
Bank statements are electronic, phone is prepaid
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'Once you are infected with the travel bug you have it for the rest of your life - there is NO cure'