Don’t publish shallow content. There is no magic word count for the exact amount of copy you should write for SEO content. But as far as best practices for SEO go, you should always aim to write at least 300 words. However, your content will be more likely to rank if it thoroughly fleshes out and explains a topic Click & Tweet! , which often can’t be done with just 300 words. So write as much as you need to cover your subject fully.
Your website needs a place to live on the web, and the quickest way to reserve your web address is to find a web host. There are a variety of cheap web hosting providers, and each one has a specialty. Look for a web host that offers a price that fits your budget, has the web tools you need to create your envisioned website, and provides support when you need help or have problems.