10 months ago I realized that pay for votes is necessary for me:
https://steemit.com/steemit/@stimialiti/ways-to-success-on-steemit

Regarding this part:
>Today i would like everyone to change their point of view for a moment. Stop and look around. You will realize quickly that it is important to help your curators grow. There are many people out there who spent hours building engagement with others and receiving curation rewards. And they will very often be focusing on upvoting accounts with solid reward pool.

>To put it simple: If you want people to auto-vote you, then you need to make sure that your rewards will be worth it. Use bots mostly to support your followers. And they will become very "loyal".

>How to do that? It's pretty simple: linia2.png Self-vote and use bots only 1 day after you publish your post. Give curators chance to upvote your post and just then use all possible resources to pump your paycheck. This way you will benefit your curators the most.
After all we're all "in it together". It's hard to become succesful on steemit as an individual. We all need to build and support community around us if we want to achieve any goals at all.

I used to think the same, and in fact postponed self voting and bot voting until the 5th day due to the reason you noticed
https://steemit.com/curation/@stimialiti/who-should-you-upvote-in-order-to-maximize-your-curation-rewards

Since then I repented it as can be hinted here:
https://steemit.com/curation/@stimialiti/what-you-need-to-know-about-curation
and here:
https://steemit.com/steemit/@stimialiti/the-dolphins-are-not-better-than-the-whales

In addition to the above, the higher SBD is from 1 USD, the more beneficial it is to choose a 50%/50% split, self vote ASAP and pay for votes that will be cast ASAP, to acquire as many SBDs as possible, because in the rewards calculation, SBD counts as a USD, regardless of its real market value.
This is true both from individualistic and from mutual perspectives.
Upvoting haejin for curation rewards is a bad choice regardless of your perspective,

I also dealt with bidbots in these threads:
https://steemit.com/bots/@stimialiti/the-perils-and-advantages-of-buying-votes

https://steemit.com/bidbots/@stimialiti/good-signs-to-look-for-in-a-bidbot


The bidbots I recommend the most are:
luckyvotes, sleeplesswhale, adriatik (now less relevant due to massive undelegation, not vesting and too rare claim of rewards), ubot, isotonic, youtake, proffit, bodzila, voteme, slimwhale

If you are not into voting comments then
aksdwi, francophonie, sneaky-ninja, lost-ninja, bid4joy, redwhale
are decent too, as far as I currently know (my )

There are also some bots which may be good, but their reps are negative, so their upvotes do not increase their users' reputations at all.

People like these are common and not the exception:
https://steemit.com/steemit/@kingscrown/victims-of-zeartul-bellyrub-bellyrubbank-unite-here

Your use of the tags cryptocurrency, crypto and bitcoin in this thread is abuse.
It is also not the best way to reach a crowd that searches for what your thread deals with.
I too struggle with choosing 5 most appropriate tags.