Rabbi Aryeh Lebowitz

Even if you have a minion in your own house, you should daven in shul, because there's a larger crowd in shul, so you should go to shul.

That means, assuming it's not going to cause a major sholom ba'ister, but your dad runs a minion in the den where there's a large screen TV and whatever else there,

You should go to shul.

You should go to shul.

Now, the second issue is, and perhaps the bigger one, is the Gemara in Brach HaStav Ches says that anyone who has a Beis HaKnesses in their city and is not Nikh Nesham L'Hispalel is called a Shechin Ra.

is called a bad neighbor.

Shulchan Aruch quotes this, you have a base of Knesset in your city, and you don't go there, you don't go there to daven, you're a shachin, you're a shachin ra.

The Mishra Bruin points out, that the Prima Gadim even raises the possibility, that if there's no minion in shul, you're still a shachin ra, if you don't go daven in the shul.

That it's worth it to daven in the shul.

So in Mishra Bura, Mishra Yitshuvah points out that if you daven in your house with a minyan, there is a hashras hashchina.

So you may be, well, it's the wrong choice, but maybe, maybe it's not a violation of shach ein ra.

A third issue is that Chazal take kviyas malchum latzvila very seriously, meaning it's important to set yourself up for the right context of

of tefillah.

A person cannot, it's, davening is hard.

And having the right kavanah is hard.

So we need to do whatever we can in order to put ourselves in a context where we have the best chance of a serious mindset, a proper environment, and genuine kavanah.

In fact, the Gemara in Brach Staf Lamar Aleph says that if a person is mispalal mitoch schok or kalos rosh, that is a problem.

You're not supposed to do that.

A person is supposed to come into tefillah with a sense of seriousness.

It's been a while since I've davened in house minyanim, but when I did, I seem to remember an awful lot of context of schok and kalos rosh.