Yes, I am a travel blogger too. But not that big yet.
I think affiliate is good if connected with a specific niche. Let's say, you make a review of an item and then there's this affiliate link for a shop that sells the item you have reviewed. For the website hosting, most people earn from "How to make your first website" thingy as a post connected to their affiliate link.
I have been contacted by HostGator and BlueHost regarding affiliate stuff but I haven't really created a post yet.