But anyone here has tried some of them, would love to hear your advices.
I'm gonna buy the package Google ranking & Producthunt upvotes, only not sure how they are doing.
It would be better for you to explain here what kind of application do you want to promote or SEO optimize.
Some seoclerk services are good,others are just a waste of time.If you wanna buy a search engine ranking package you will have to wait for atleast 3 months in order to see any results.
Don`t buy a service if you don`t know how it will help you for SEO.Just ask the seller about his service ,before you buy it.