1. Ad Revenue: YouTube's Partner Program allows creators to monetize their videos through ads. You can apply to join the program once you meet certain criteria, such as having at least 1,000 subscribers and 4,000 watch hours in the past 12 months. Once approved, you'll earn a share of the revenue generated by ads displayed on your videos.

2. Sponsorships and Brand Deals: As your channel grows, you may attract the attention of brands and companies that are willing to sponsor your content or collaborate with you. These sponsorships can involve product placements, endorsements, or dedicated videos. Make sure to disclose any sponsored content to maintain transparency with your audience.

3. Merchandise and Products: If you have a dedicated fanbase, you can sell merchandise and products related to your channel. This can include branded clothing, accessories, books, or even digital products like ebooks or courses. Set up an online store or use platforms like Teespring or Shopify to sell your merchandise.

4. Channel Memberships: YouTube offers a feature called "Channel Memberships" that allows eligible creators to offer exclusive perks to their subscribers in exchange for a monthly fee. These perks can include badges, emojis, special access to content, or community posts. To be eligible, you need to have at least 30,000 subscribers.

5. Crowdfunding: You can leverage crowdfunding platforms like Patreon, Kickstarter, or Indiegogo to generate financial support from your viewers. You can offer different tiers of rewards or perks based on the contribution level. This allows your fans to support you directly and often leads to a more engaged and dedicated community.

Remember, building a successful YouTube channel takes time, effort, and consistency. It's important to focus on creating quality content, engaging with your audience, and finding ways to diversify your income streams to maximize your earnings potential.