This is why everyone should have Firechat installed on their phone. You'll probably never need it, but when you do, the internet is down and you can't download it.
https://play.google.com/store/apps/details?id=com.opengarden.firechat
There's an iPhone app too.
That sounds wonderful - have you considered setting up a presence on http://www.openbazaar.org ?
They ought to be introducing support for various cryptocurrencies, including Bitcoin Cash, relatively soon.
If you find another way to sell your items online for Bitcoin Cash, (there are more payment providers coming online soon) you would be able to get some publicity as it is going to be a growing, vibrant worldwide community of people who are interested to support new vendors.
I use a Reddit browsing app called Relay. It has a "Filter" function in the settings which enables you to filter out any posts from certain domains or subreddits, or containing keywords you can define. I imagine other apps can do the same.
Play store link: Relay for reddit