Verb conjugation of "sbagliare" in Italian

What is the next big crisis in the world. No one knows, but experts believe that it will be weather and water related. There is a growing number of arid areas around the globe and many people are living in those areas.
Could you please read the following offers in a critical manner and confirm it before I will send it? I have also mentioned the warranty and the software in the offer, because it was requested by the customer.
To me this seems quite nice. I understand everything, write me, either in English, Spanish or German. I'll write again later - now I have to go to my wife, she's been waiting for me outside.