How Do You Pick a Good Solar System for Your Needs?

I'm planning to install a solar system and have been comparing different options. There are so many panel types, battery choices, and inverter brands that it becomes confusing. I want a system that can lower electricity bills and continue working well for many years. Has anyone here recently installed solar for their home or business?

I also noticed that some companies offer complete solutions instead of only selling equipment. That sounds helpful because proper planning and installation seem just as important as the products themselves. I would rather invest in quality once than spend money on repairs later.

I'm also trying to understand whether buying from a Solar Panel Wholesale Pakistan supplier offers better value than purchasing through a local dealer. For those with experience, did wholesale pricing make a noticeable difference, and how did you verify product quality and warranty?

Battery backup is another area I'm researching. Some people recommend lithium batteries because they last longer and need less maintenance. Others suggest starting with panels only and adding batteries later. I'd love to hear what has worked best for you.

If you've gone through this process, please share your recommendations or lessons learned. Your real experience would help me and others who are planning to switch to solar energy. Thanks in advance for your advice.