That some great tips
Buying followers only helps if you are regual with your content.
There is no substitute for orginal content you post.
Here are few tip that helped me..
Be True to what you share.
Use proper hashtags
Tweet like a pro
Tweeting should not be a one time thing . Be relavant to the context. Interact with others who reply to your tweet.
I belive people buy followers for the numbers .Yes i belive so .
People are more likely to subscriber you if you have comparately more subscribers than other .
Its basic human nature.
I would recommend buying follwers at regular interval from say socialrankpro.com . It should be in parallel with the regualar content you post.
There are few SMM that provide this but i prefer socialrankpro for its timely delivery and 24x7 support and have Tiktok, Facebook ,instagram services too. They also have live chat support.
Just google the keyword socialrankpro to check if its right for you.