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That is intentional. We don't want to give too much profit or the bot gets abused with trash posts.

then why other are giving more then that. and why they are not not getting abuse with trash points

Maybe they don't know that they are abused? I don't know any bet giving predictably 1.5 returns so I don't know.

is this effect my reputation that they are upvoting me more then 1.5 for a doller

sorry, what? I did not usderstand :I

i,m asking that the vote i take for these bot which are giving more then $1.5 for $1. can somehow effect on my reputation ???

Not sure, depends on the bot I guess...