Anyone have a newsletter in the bourbon/whiskey/watch niche? Growth tips?

Over the last month I've been working on growing a newsletter in the cigar niche. In three weeks, I've reached 300 subscribers (unpaid) through a combination of posts on Reddit, Discord groups, Forums, and Instagram. I've made friends with a few cigar podcasts, influencers, and stores - was lucky enough that they shared a holiday giveaway I'm doing. I'm racking my brain for more places to find new subscribers and was thinking that the bourbon/whiskey/watch niche must be a solid crossover. Does anyone have advice on finding subscribers? Thanks! PS. If anyone is curious I'm at www.theblend.news