That's a good question. Actually, we've spent time figuring out how to drop the cost of the device to sub $30, at scale.
For frequent users, we would give the device away for free. For people that are on a public water connection and only use tankers once in a while to supplement their water usage, it would probably be like you mentioned- order tankers on demand, when you need it.
For frequent users, we would give the device away for free. For people that are on a public water connection and only use tankers once in a while to supplement their water usage, it would probably be like you mentioned- order tankers on demand, when you need it.