Two ways to boost upvotes on your post!

1# Randowhale

So @randowhale is steemit account with a lot of steem power and by giving him 1 Steem or Steem dollar, he will give you upvote on one of your posts.

How to use @randowhale :

Make sure that your post is not older than six days.
Copy the post you want to Randowhale to upvote
Go to your wallet and select transfer under Steem or Steem dollars
Put 1 SBD or STEEM in amount
Under "send to account" type "randowhale" (make sure it's correct)
Paste your post URL under memo field
Submit

Your post will receive 2%-5% of Randowhale upvoting power.

For more information check this post:
https://steemit.com/steemit/@randowhale/how-to-use-randowhale

#2 Minnow support

Minnow support is a community of steemers that is lead by @minnowsupport. Like Randowhale, it's also account with a lot of steem power but what is different about this account is the community.
To be part of Minnow support project you have to follow Minnowsupport upvotes. You do that automatically, so when Minnowsupport upvotes something you will upvote that post also.

How to be a part of Minnow support project:

go to https://discord.gg/HYj4yvw and open an account
this link is invitation to discord Minnow support channel
When you open up Discord you need to find channel named "registration"
Type in registration channel $register then space then your Steemit user name, EXAMPLE: $register antminer
After you typed that you will get automatic answer in chat and follow instructions ( you will need to send 0.001 SBD or STEEM to 2 accounts)
Now go to https://steemvoter.com/ and sign-up
After you have made an account go to "Rules" tab and under "Author of posts to Vote on" put minnowsupport
after you have done this go to https://streemian.com/ and sign-up
than go to https://streemian.com/profile/curationtrail/trailing/416 and click follow trail
So when you want to use Minnowsupport you go to "upvote" channel in Discord and write $upvote and link to your post