As you know that YouTube recently change their policy about Monetization Program
You can apply for monetization at
any time. To be reviewed, all channels need at least 4,000 watch hours
in the previous 12 months and 1,000 subscribers. This requirement allows
us to properly evaluate new channels and helps protect the creator
community.
Many YouTubers get infected by this changing on YouTube Policy Like Me including those who were working on youtube from 1 year or 2 year before because many people trying to cheat youtube by getting fake views and fake subscribers by using proxies and boots.Now Youtube make it more realistic and difficult to get enabling process of Monetization
YouTube says that you have to get 1000 subscribers and 4000 watch time on all of your channel in past 12 months. This means not that your all previous subscribers will lost, NOT at All !
your previous work will also remain. like i have
When you get reached that limit your channel will automatically get reviewed by YouTube to make sure that it complies with the YouTube Prtner Program term and Community Guidelines. And YouTube will email you about your channel's progress with in a week or a month
SUGGESTION: use growviews platform to grow your Channel's watch time and subscribers
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WATCH COMPLETE VIDEO GUIDE TO GET SUBSCRIBERS
Drop Your Link in Comment To Get 1000 Subscribers And 4000 Watch Time