it's true I've also earned dollars without any investment (through learn and earn)

You don't have money to trade ,no problem as BINANCE is providing opportunities to earn without investing your money and here is how.
Earning $10 a day on Binance without investing any money is entirely possible if you leverage the platform’s features and opportunities smartly. This article outlines practical strategies that anyone can follow, even with zero capital, to start earning on Binance.
1. Participate in Binance Learn & Earn Campaigns
Binance regularly organizes Learn & Earn campaigns where users can earn free crypto by completing educational quizzes and courses. These campaigns are an excellent way to learn about blockchain and cryptocurrency while earning rewards.
How It Works:
Visit the Binance Learn & Earn page.
Complete the lessons and pass the quizzes.
Earn rewards in cryptocurrencies like BNB, Bitcoin, or altcoins.
Tip: Stay updated on new campaigns through Binance announcements, as they are time-sensitive.

2. Refer Friends to Binance
The Binance referral program allows you to earn commissions when your friends sign up and trade. You don't need to trade yourself to benefit from this program.
How It Works:
Generate your referral link from the Binance referral section.
Share it on social media, blogs, or directly with friends.
Earn a percentage of their trading fees as commission.
Tip: To maximize referrals, create informative content about Binance, explaining its benefits to potential users.

3. Complete Simple Tasks in Binance Earn
Binance occasionally offers campaigns that reward users for completing simple tasks like signing up for new services, following accounts, or joining social media campaigns.
Examples of Tasks:
Staking trial funds.
Following Binance on Twitter or joining Telegram groups.
Participating in promotional activities like giveaways.
Tip: Keep an eye on Binance's promotional announcements for such opportunities.
4. Engage in Binance Academy Bounties
Binance Academy offers bounties for engaging with its educational content. These activities often include watching videos, reading articles, or sharing information about Binance.
How It Works:
Visit Binance Academy and look for bounty programs.
Participate in the tasks listed.
Earn small amounts of crypto rewards.

5. Join Binance Airdrops and Promotions
Binance frequently collaborates with projects to distribute free tokens via airdrops. You can participate in these without spending money.
How It Works:
Check the Binance promotions page for active airdrops.
Complete the requirements, such as following projects on social media or joining Telegram channels.
Claim your free tokens.
Tip: Some airdropped tokens can increase in value during a bull market, offering greater returns.

6. Utilize Binance Gift Card Campaigns
Binance runs gift card promotions where users can earn crypto for sending or redeeming gift cards.
How It Works:
Participate in the gift card campaigns announced by Binance.
Follow the instructions to earn rewards.

7. Contribute to Binance Square
If you're knowledgeable about cryptocurrency, you can create and share quality content on Binance Square to engage followers. Popular posts can lead to increased visibility, attracting tips or rewards from your audience.
How It Works:
Share insights, news, or tips about crypto.
Engage with your audience to build a strong following.
Earn tips from users who find your content valuable.

8. Participate in Binance Competitions
Binance hosts various trading competitions and quizzes with attractive prize pools. While some are trading-based, others only require participation in quizzes or community activities.
How It Works:
Keep an eye on the Binance Competitions section.
Join activities that don’t require capital, such as quiz-based competitions.
Claim your rewards if you rank among the winners.

9. Join Binance's Affiliate Program
Binance's affiliate program offers higher rewards than standard referrals. As an affiliate, you can earn commissions on the trades of users who sign up using your link.
How It Works:
Apply to become a Binance affiliate.
Share your affiliate links on social media, blogs, or YouTube.
Earn a commission when users sign up and trade.
Tip: Provide detailed tutorials or reviews to attract more signups through your affiliate link.

10. Utilize Social Media to Promote Binance
Social media platforms like Twitter and TikTok are excellent for promoting Binance campaigns, referrals, or airdrops. Sharing valuable content consistently can help you grow your audience and increase your earnings.
Final Tips for Success
Consistency is Key: Dedicate time daily to explore and participate in Binance's earning opportunities.
Stay Updated: Follow Binance's official announcements and social media channels to catch new campaigns and promotions.
Leverage Community: Engage with Binance communities to learn about earning opportunities others have discovered.