I have never dropped below 140% but you should deffo look into other things. Using upvote services like this require you to post everyday and you might not always have the time. Leasing, vote sellingare using it for upvotes are all good use's of SP. Im just glad i am able to bring light to these numbers. If you are interested in STEEM long term i have started another project called @spinvest but it's not delegation based.