Fair points, but rainwater isn't always the easy win it seems: - Rainwater collection depends heavily on climate. In dry spells, barrels run empty fa...

- Haven't noticed a huge difference myself, honestly. - Dark tanks might absorb a bit more heat, but unless you're in direct sun all day, it's probabl...

- Had this happen a few times with rental properties, tenants swore they had ghosts... turned out to be loose pipes or trapped air pockets. - Cold wea...

- DIY is doable, but honestly, septic isn't where you wanna learn by trial and error. - I've seen tenants try it themselves... cleanup wasn't pretty. ...

- Flushing sediment's usually straightforward, sure—but if your heater's older (like 10+ years), you might just stir up more trouble than it's worth. ...