Getting upvotes is very necessary on steemit as you can earn by getting it
i found out a post claiming free upvotes .
there is a famous saying either you are paying or someone is selling you.
i think this is true
people are asking for your private key do not share it. you can see here also.
https://steemit.com/minnowsupportproject/@diverse-thinker/free-upvotes-in-5-steps
what to do to get free upvotes
*step1
follow me
*step2
upvote me
I will upvote you back and follow you back
on your posts whenever you will post i will upvote you have to pay me by upvoting me back