If you guys are new at steemit .you just need to follow some advice in order to maintain your steem power as well as Bandwidth .Steemit works on block chain . Many people are facing problem of exceeding Bandwidth at night .It is seen that in the day time people are having high Bandwidth allowance bytes so at that time they can post anything .but with the passage of time the Bandwidth allowance bytes reduces and in night it becomes negative.It happens due to the big whales who has good steem power .In order to fix your Bandwidth you just need to do only 10 comments per day.
So there are only two option to increase your steem power .
1:you just need to post some valuable content in order to get upvotes from big whales .You just need to put alot of effort in order to improve your profit as well as profile.
2:The 2nd point to increase your steem power is by buying some steem power.
Note:i just got these images from steem site