Do you need to pay for electricity if you have solar panels?

I am in the market for buying a home. There is one for salke that actually has solar panels on top. How are they used? Do you need to pay for gas and electric still. Does it really light up the house and keep it warm. WHat about the AC keeping hte house cool in the summer does it work for that too? Please explain in solar for dummy terms. I haveno clue about solar panels other thatn the fact that it needs sunlight to run.

Can you solder solar panels together to get more power?

I have getting solar panels from these solar lights at Walmart. Well some of them are broken, but the solar panels are still in good shape. So I wanting to put the together to maked a large solar panel big en ought to power a laptop
If you can how do you solder them together? Do you link them together just like a double A’s?

Does anyone know anything about solar panels?

We just recenlty purchased a bank owned home and the previous owners left no information behind regarding the solar panels which consume the whole south side of the house. We are not sure what they are hooked up to, how they work, how to tell if they are working or even how to use them. Finding someone in our area with expertise on solar panels is proving to be a challenge. Any suggestions or advice would be greatly appreciated.

How much will it cost me to install solar panels and is it worth it?

My home is all electric and the rates just keep going up, up, and up,
I paid 0 for Jan – Feb this year and froze my tail off keeping it that
low. If I install solar panels, will it cost me less then what I’m paying
for electric? If you’re currently using solar panels can you tell me what
the pluses and minus’s are for going this route.

Can you charge a bank of batteries with solar panels in a room with artificial sunlight?

I was just curious if this is possible: Charge a bank of deep cycle batteries, and use it to run grow lights, and also having solar panels in the room to recharge the batteries that are creating the light.
What about the L.E.D. grow lights?

How hard and expensive is it to install solar panels on a house that is already built?

I live in central Texas. I want to install some solar panels on the roof of my house for electricity. Im just not sure how expensive it will be or if it even makes sense to do. My house is one story 2100 square feet.