Considering how expensive an inefficient traditional electric power has become, it's not surprising more and more people are starting to switch over to solar power.
However, even though it is the more efficient choice, it can be difficult to change everything in your house over, especially when you realize just how much home solar systems can cost.
One thing you can do to save money is buy used solar panels rather than brand new ones.
They are generally made very well, so this shouldn't be something that would be problematic, though there are definitely some things to consider before you do make a final decision.
Obviously, you're going to want to check the physical condition of the panels.
If there is any damage that you can see on the panels, you should avoid purchasing them.
There are clearly problems that may be present, so unless you're willing to do some repairs you might not ever get the used solar panels up and running.
If there is no physical damage that you can see it doesn't necessarily mean that everything is working properly, but it's a much better bet.
One thing you should absolutely do is test the power of the panel with a voltmeter.
If you don't have one or don't know what that is, then check to see if someone selling the panels does.
This will show you what the voltage is in the sun.
You will find that used solar panels are older and because of that they're much bigger than modern types for the same amount of wattage.
This is definitely something to consider if the space you are working with is very limited.
If it's not one of your biggest concerns, than you're on the right track.
As for other problems you might run into, you need to keep in mind that by buying used materials, you are saving a great deal of money.
It shouldn't surprise or upset you if you need to have some repairs done on them to get them to function completely.
If you don't want to have to deal with testing the power and getting repairs done, then buy brand new panels instead.