How to use Binance Wallet with my DCA strategy?

For starters, I am newbie. So I might recognize when you guys really help me out.

I just started trading BTC in binance and have been buying small quantities of BTC previous couple of weeks have round $500.

I've traded shares before on Buying and selling 212 where you buy shares, hold on, and sell it perhaps after 5-10 years or whatever.

But Binance Pockets sounds new to me as a result of I don’t understand what to do after i buy BTC every week. Do I immediately transfer it to my pockets or let it stay in BTC change (as the worth of BTC goes up or down). I see the “Receive” button on my wallet and then the option of “Transfer from Binance Change”

I assumed after you purchase BTC you personal it anyhow. And if I don’t personal it, and once I transfer to my pockets, does my $500 stop growing if for instance BTC goes up by 10%?

What do yoy guys do since after shopping for btc every week/day/month? Please explain! Thanks!!