"Halacha lemaisa, today most people won't buy non-glatt meat, even if it's kosher, so most certifying agencies won't even certify it as kosher."

"These shiurim are usually geared towards halacha lema'ase, without presenting the groundwork of the Rishonim." (source)

"Therefore, Halacha Lema'ase, one is permitted to put cold water into an urn before Shabbat, and plug it in right before Shabbat." (source)

"This does not only fall into the realm of proper conduct, midos tovos and ma’asim tovim, but even halacha l’ma’aseh." (source)