Try to minimize your costs and time - switch to Digital Ocean for hosting which is only $5 per month and can probably handle your traffic if paired with caching

Try to minimize your costs and time - switch to Digital Ocean for hosting which is only $5 per month and can probably handle your traffic if paired with caching plugins and nginx. Post a sticky post on your blog asking for volunteers - make it look cool to contribute. Reach out to Reddit relevant subreddits. Also rech out to Space related companies you're covering for sponsorship. P.S. Drop me a line if you'd like.