Avoid buying low quality followers at all cost. Instagram did remove spam accounts from time to time instead use automated tools like Instagram bot that gets you can grow your real instagram followers effortlessly.
I use instafollowersnetwork.com/instagram-followers-app/ to pick my niche and generate followers. Its free so give it a look.
One of the best Websites to buy instagram like is Promoting Team. This is one of the trusted website available in the on the internet from which
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Link : www.promotingteam.com/buy-instagram-likes-cheap/
If you don't have enough time to manage your Instagram account then you can buy followers but from whom? Of course from Instagram not from other provider in the Internet. Use Instagram paid ads to get real and targeted followers.
If you can post funny and interesting content / video content then you may buy Instagram likes from a reliable provider to get more organic followers.
It depends on the agency or service provider from where you are buying Instagram followers. Nowadays most of the organization deal with fake followers so must check the trustworthy of the agency before purchasing followers.
If you have real followers then no need to buy Instagram likes because that real followers do like your post. Simple you have to post good quality of photos with appropriate hashtag and captions.