Are you ever tempted to do day trading?

The stock market lately has been mostly staying steady. Dow Jones has been fluctuating just below 27,000. It is tempting to choose a blue chip stock and observe its margin of fluctuation and then keep buying when it is low and selling when it is high. There are some fairly inexpensive brokerage sites. The last time I felt this way, I took a sheet of paper and pretended to buy and sell, keeping track of gains and losses. I ended up not doing so well.