Website on Crypto Casinos Backlink Building

My website featuring no-KYC crypto casinos has been online for about a year and now needs a stronger backlink profile. The focus is on quality, not quantity: I want do-follow links placed naturally inside fresh or existing articles or blog posts that appear on reputable gambling-related websites... (Budget: $30 - $250 USD, Jobs: Content Creation, Content Marketing, Digital Marketing, Internet Marketing, Keyword Research, Link Building, Marketing, SEO)