Technically speaking, holding a stock for longer than a single day is a swing trade. Swing trading sits in the middle of the continuum between day trading to trend trading.
Paper trade refers to using simulated trading to practice trading strategies without actual money being involved. It can be done hypothetically by simply keeping track of positions but it is much more beneficial to use a stock market simulator, one that has the look and feel of an actual stock market.
Stocks are a risky asset and trading/investing in risky assets must be done with thought and deliberation. Stock selection is possibly one of the most important components to being a successful trader, making consistent profits. Before you trade a stock you should ask why this stock?
Buy the dip is a valid trading strategy and it has worked well over the last couple of years, so is there any difference this year or this dip? The main difference this year is that the indexes are going now where? We have seen big dips and big rallies but overall the markets are stuck in a sideways trend.
In Summary growing a small portfolio takes time, dedication and is not without work. If trading is something you are keen to learn and enjoy doing then it is not so much work as it is enjoyable and interesting. Do it yourself investing can be rewarding both from the satisfaction of watching your assets grow and learning different strategies in order to enhance that growth and protect your capital.