In fact, you don't have to go to Beijing, Guangzhou and Shenzhen to build a website. As long as the technology is better, it can be as famous as Yunfeng in the country. What's more, you can spread it among your peers at will. As long as the website is closed for one hour, you will lose 500 yuan. What are you afraid of building such a website and promoting marketing services?
Many peers, in order to get a reward, attacked their websites, but there was no breakthrough, so many big companies in their peers asked them to do some SEO services for website construction, which was very good. As long as you see the website, it is included by Baidu. I think it's ok.