For me, researching includes time. Wait at least a few months. If this is your very first betta, then definitely wait longer. I agree, a week is nowhere near enough unless you're that kind of ready-to-go person. You need to know the best ways to heal a fish quickly. Have cycled tanks at the ready. Have lots and lots of money at the ready, and lots of room. Understand that medications aren't the best way to go most of the time. Etc, etc, etc. It's not like breeding platies.
Having bettas for an extended amount of time allows you to get more one-on-one experience with them, because they DO have different personalities. They're not all the same (which can make it more difficult). Learn the difference between a shy betta and an outgoing betta, etc, etc, etc.
Hypothetically speaking, what if you are succesful? Will you have room for 20 males? And a large sorority for the other females? Maybe even two sororities? Where will they go? I'm just giving situations. I'd rather not hear you get in trouble from breeding (I've seen it many times before).
Sorry to seem so straightforward! Just want to make sure.