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Srry, but investing and delegating to the bot are 2 different things.

Investing needs a 13 week powerdown and stop delegating has a 7 days wait time.

Do you know me? I am not arrogant, so learn. :)

Okay. I apologize. If I power up @minnowbooster directly from my Steem wallet then it is an investment in MB?

And how would I be able to power down MB? Because I powered it up, can I power it down? Also, what are returns?

Returns are 20%-25%, with my calculations its 24% but it can swing. But it's a huge profit, but I would only do it, when you have enough steempower yourself.

For powerdown, send a memo (0.001 steem) to minnowbooster, it will return an error, but they use a script to catch the memo and do the powerdown once in a certain time interval.

You can also just ask minnowbooster support, and they will send a message for powerdown to the admins.

Again, this is imo a longterm investment. Dont do it if you need your steem back next week, next month.