I am working on online venture,I am making document to give details of my website requirement to vendor, I want to have a checklist/format of document

Why don't you use Wordpress? Free plugins like s2member are available; DAP and Wishlist are great paid options. Easy to use, too.

I personally prefer the second two. That being said, given ghat 25% of your leads come through your website you may want to test each variation to make sure your users respond well to the new design. You should also check how much traffic you're receiving from search engines and prepare for a drop in traffic after launch. If January is a busy season for your business, it might not be the best time for a full redesign. Will these new designs be responsive? I would make sure your new site is mobile friendly.

There are plenty of US based dev shops that do good work. You can try that. If you are looking for a CTO you should use your network. There will probably be someone looking to do something new.

There are many routes you could take this with different membership plugins or subscription based plugins which would accomplish what you are looking to do. However, the best starting point for you is probably using an LMS (Learning Management System) plugin or theme. An LMS will provide everything you need out of the box and will be scalable for your future needs as you develop more courses, integrate quizzing or surveys, award badges or certificates, etc. The LMS will integrate the membership or subscription tools you'd find in those plugins with all the other tools you'll need to create your coaching course. Let me know if you want to dive in more.

Many companies entering the Chinese market want to do SEO on Baidu, promote their brand on WeChat and Weibo, and prospect on Chinese online media. This is the first step to get established in the market. However, it is necessary to define your goals. For example, if you want to generate leads, increase traffic to your site, create a community etc. your digital strategy and will flow from your goals. Depending on your goals, in China, you will find 5 ways to market digitally. SEA is a paid marketing tool that boosts your ranking in the search engines. This tool shows your business on the search engines as an advertisement. (Similar to Google ads.) The advantage of SEA (or SEM) is the speed of its implementation. This tool allows you to choose the keywords you will be found for. SEM also gives better visibility on the web since it includes banner ads.