I don't know how many newbies here on bitcointalk are planning on doing the same thing, the halving is well anticipated, and it may(or may not)have a high appreciation in the price of bitcoin; But with that said there are things you should not do.
1)You should not invest more than what you can afford to lose because of the upcoming halving.
2)Do not take loans just to invest in bitcoin(because the halving is close), you could be left with debts to pay.
3)If you do not have knowledge about bitcoin/halving(like my friends), don't just act based on what's on the internet, always verify to make sure you are making the right choice.
4)If you have never invested in bitcoin, you shouldn't just do so now because of the halving, you will be jumping the part you have to learn, and that could mean making mistakes.
5)Do not feel the pressure of investing because alot of people are, it should be your decision and choice to make.
I have always recommend to all my recruits or those who are asking me about investing in Cryptocurrency to sit back first and do a lot of research I can only help them by sending links where they can read information about Cryptocurrency and investing, when it comes to investing, they need a good advice coming from the experts..