The @luckyvotes account has been around since January 2018.

Currently takes 6 day bids.
Accepts either SBD or STEEM, with a minimum bid of 0.10.
Will upvote comments or posts.
It is noisy and will leave a comment after you use it's services.
The bot is supposed to send back invalid bids but I haven't tried this function.
No advertised way to reach them for customer service.

Here is their introduction post.

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I used the bottrackers vote calculator on this bid so that we can compare how we did.

Note the price of STEEM at 4.19 and SBD as 4.65

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Here are the end of bid logs:

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Here is a copy of the steemworld.org data to show payment, vote, and after vote advertisement from @luckyvotes

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Next I put all of the data together so we can analyze it.

In purple we have the ROI. THIS number is OFF!! Steembottrackers says I should get a 7.74% ROI when we do the math out it s shows that our overall actual ROI is 13.5% In the lower left we purple circle we see that our SBD ROI for rewards we get back as SBD is -6.3%

In red I have circled the vote weight which are right on.

In yellow I have circled the SBD value of this vote when factoring in the STEEM as well. This number is below the vote value listed by bottrackers though.

Positives: Newer bot, not many people use it or trust it because of the 6 day limit. Low entry bids

Negatives: Noisy, they rent all of their SP through delegations. Their vote value may fluctuate more then bots who wholly own their SP.

Fine print:
This information was accurate at time of posting, but there is a possibility that the bot owner has changed their code in between when I wrote this and you read it. I will try to keep these up to date but do your diligence before bidding.
I will give you the caution that whenever you use bid-bots you should be prepared to loose part of your investment as people can vote after you and bring your share of the rewards pool down. Always check how the bot performed last round, compare it to how they paid out before you bid and be prepared to potentially loose your investment.

Like my work? Check out the other bid bots I have reviewed, or stop by my weekly contest for redfish and minnows.

Here is a list of bots I have reviewed in #royalbotreviews & #botreviews :

Coming soon non bid bots and an explanation of how to use them and some reviews.
Explanation of how to determine if your bid will be profitable

Here are links to the other bots I have reviewed:
@mercurybot
@bearwards
@postpromoter
@redlambo
@upmewhale
@allaz
@steembloggers
@sneaky-ninja
@booster
@aksdwi
@boomerang Please read about this bot before you use it!

Stay away:
@mrswhale
@getboost