Once you have a book, opportunities arise. You can write articles for online sites, magazines, newspapers. The more articles you have published, the more it will increase your profile, the more it will solidify you expertise.
The internet is a powerful networking and marketing tool. As we all know, anything posted on the internet is permanent. So having a great online profile is nonofficial. Once your book is published, you will be listed on various outlets. You may be surprised at who contacts you in regards to your expertise. TV producers still reach out to me for dating related advice, even though it is no longer my main field of business.
Set up your future connections with a strong online presence.