Obviously the point is to be off grid but many places restrict how much rain water can be collected, due to its impact on the ecosystem. One bin like this usually isn’t gonna cause a problem but rainwater runoff is vitally important for local flora and fauna, as well as the health and wellbeing of the rivers, lakes, and streams nearby.
Also definitely should boil the water, or at least filter it further if it’s to be used as potable water.
Sweet, cheaper stocks this week.