One thing I like about Steemit is that you can experiment with so many different things there. For example, you can use your Steem dollars (SBD) in so many different ways.
I can think of the following ways, you can use your SBDs for.
1. To buy upvotes from bots
This is quite common among the minnows as they need to up their reputation as soon as possible. Most of the bots are listed on https://s3.amazonaws.com/yabapmatt/bottracker/bottracker.html.
2. To buy delegated STEEM power
We know that it is a painstakingly slow process to increase your STEEM power. An easier way to temporarily have more STEEM power is to buy it from organizations, such as Blocktrades and Minnowbooster.
3. To buy STEEM power
Its good to have delegated STEEM power, but it ends sooner or later, and its not really yours. For example, if you want to get back your money using powering down, you cannot utilize delegated power for that. So, while its a slow process to power up, the good thing is that it really belongs to you and stays with you forever until you decide to power down. You can use Steem market to convert your SBDs to STEEM.
4. To buy other cryptocurrencies
If you think that other cryptocurrencies are going to perform better than STEEM, you might wanna transfer your SBDs to an exchange to buy those cryptocurrencies. You can also buy other cryptocurrencies, and sell them back later on to get more STEEM/STEEM power. Bittrex and Poloniex are two popular exchanges that support trading of STEEM and SBD.
5. To convert it to fiat
Maybe now you have started earning quite well on Steemit. So well, that you can now afford to start converting some or all of your SBDs to fiat, to help with your bills, groceries and stuff. Bitstamp is a site where you can convert cryptocurrencies like Bitcoin, Litecoin, Ethereum and Ripple to euros or US dollars. To convert your SBDs to fiat, you'll of course have to first convert them to a cryptocurrency which can then be exchanged for fiat.
So, we have seen various ways to utilize your SBDs here. What do you mostly use your SBDs for? I would really like to know. Personally, I have utilized them for all the above listed purposes, except converting to fiat.