A lot of people think panel are like gadgets for their residences. That it is too expensive etc. But not too many are actually thinking that it can be a good investment.
Most of the time the real solar gadgets are useful only the fan, the lights, radio or small TV.
One solution is that people should put yourself together to buy a bigger quantity of solar systems. That should bring the price down to become more affordable at the end.
These days, the price for 1W is about 4 US dollars.