There is a big variety of power generators nowadays, all of them are produced for a particular type of works. So everything depends on the purpose you want to buy it. If you want to buy one for your house, buy a big standby generator with 10000 watt. But if you want to buy one for work, you can buy a
patriot portable power generator. I think it is the best one you can have at the moment. Personally I am using one and I am really thankful. The price is good, the quality is even better, so I totally recommend it!