Things are different now, in fact way better, still if you are new and you want to DCA into Bitcoin, kindly consider getting a Trezor wallet at least, don't keep Bitcoin worth $2000, $10,000 on a software wallet, even if its a open source software wallet I believe this amount is too much for a software wallet, having this much means you can afford a hardware wallet.
The human brain works in very interesting ways because oftentimes we refuse to realize the type of mistakes we are making with the hope to save a few dollars. And I do that mistake as well, but luckily not with cryptos. I understand that it could be annoying spending $70-100 for a hardware wallet but even if you own just $500 of cryptos than it's totally worth it, don't be cheap about security, it would be like buying a Ferrari while trying to save money on the tires...