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Yep, post age max 2 days.

Thanks for the info. If you add this info to steembottracker's tipU description section that would be helpful for many.

Also, another service smartsteem is claiming to pay a 15% ROI, does that mean they are paying more than you or there is a catch? They say if I buy 1 SBD vote I'll get 0.3 SBD, 0.2 STEEM, 0.4 SP, how much do I get from @tipU if I buy 1 SBD vote? As I am new to this vote buying thing it will be a great help if you can clarify this.

For smartsteem, 15% ROI is the max value - not guaranteed :) Min is 1% so it's probably something between.

As for 1 SBD payment, use this tool: http://steem.supply/rewards and enter 1.64 STU
The payout distribution is constantly changing, depending on many STEEM blockchain variables.