Buying upvotes is waste of time. Sure, it may give you some rewards but like drugs, you will be hooked to always having to buy them.

Much better to build a real following. Slower, but longer lasting and of real value. Don't be lazy. Just do the work.

Here are some posts that will help explain better.

The Most Valuable Steemit Post Begins In Your Head Tips To Mazimize Your Social Currency On Steemit --- by @luzcypher

How To Lose Friends And Irritate People Two Big Mistakes You Want To Avoid Making On Steemit --- by @luzcypher

New To Steemit Steemit Tips You Need To Know To Succeed On Steemit --- by @luzcypher