Adsense requires circulatory system to make money. It's not something that makes money in a simple fashion. A recurring user will make more money than many random users.
Which again means... if you take shortcuts and provide valueless stuff, you will not make money with Adsense because you won't get a decent number of recurring users.
You can match it with products / solutions / automated cults / P2P systems via apps installed on phones / PCs of target users.
I would do content locking separately. Split it in some way.
I suppose content locking in itself has a high short term potential, however, it requires cutting off everything else and focusing as much traffic as you can. It can be hard because if you try to extend your funnel, you'll not maximize short term revenue which content locking is all about.
You can do offerwalls instead of content locking. You can also do direct links / affiliate offers, but that's a different subject.
At the back of every successful short term content locking pull off is "branding" and "trademarks" and "copyrights". If you understand those, you pick up someone's names like 200 brands (all their keywords, like 150+ a brand), and obliterate them using whatever you like - push ads, youtube, google. I would suggest to skip highly exclusive / business targeted paid ads like adsense cause it's not the best match. Although there are exceptions.
Reinforcement can work, but you need to understand how to build an app and it gets on an offerwall / referral marketing ground.
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Just be careful cause people fall into addictions and dependencies to such a system. It's too simple to build your life on such a brittle foundation.
Once you get addicted and hooked on