Minimal Investment: Mostly manual efforts (e.g., networking, social media, content marketing) with little to no budget (<$100/month).

Moderate Investment: Some paid or assisted efforts (e.g., speaking engagements, podcasts, guest blogging, small-scale ads) with a modest budget ($100-$500/month).

Significant Investment: Primarily paid strategies (e.g., ads, outsourcing) with a larger budget ($500+/month).