Tongue is my favorite I like to boil it and let it slowly simmer in Red Chili Colorado all day.

Tongue is my favorite I like to boil it and let it slowly simmer in Red Chili Colorado all day.

The cheapest beef I use regularly is not grass-fed (yet)
Now that I’ve been keto over a year and don’t eat nearly as much or as often (usually 1 meal a day at dinner), I can afford a gorgeous rib eye steak once a week. Seriously, my food expenses have nose-dived and I love that!
I hope this helps you with beef that’s cheap & easy.
RI have to agree that going really early in the day works the best. I’ve discovered that my store puts a little managers special sticker on meats about to “expire” and that it seems that 8-830am is the sweet spot for a good variety. I got some grass fed New York strip for nearly nothing. Also, check different stores. My target store sells beef for $2-3 less per pound than my Harris Teeter. I’m a little far from an Aldi right now but they are awesome. Oh and buy family sized packs. My store sells “value paks” that have like 6 giant chicken leg quarters for $4-5 or giant packs of pork chops for $7-8. They do this with steak as well. I cook for the sake of having leftovers so I don’t freeze them right away, but you could portion them out and freeze them and get several meals that are maybe $1 a plate. Cooking in a slow cooker will turn most lesser quality of meats into yummyness, well worth the investment. I am still figuring out what the best cuts of meat out myself. I serve everything with butter now to be sure it’s fatty enough 
I agree; probably four days out of seven I eat OMAD. Also, I track my expenses (very interesting to see where money goes), Anyway, before keto, my husband and I would eat out, get pizza, subs or other non-homemade food probably 3-4 times a week. Since Feb. 19, we have only eaten out twice, and that has been because of family functions, not us going out by ourselves. We are saving an average of $250 a month on eating out/take out. Love keto meals prepared at home - delicious!
Yes we eat out so much less and I like the food made at home So much better than most restaurant and definitely fast food. It’s easier to justify buying the steak when I think of how much less we are spending eating out. I also get crab legs on occasion too because I love it.
I’ve seen untrimmed Triple Tip roasts on saLE for $2.97 a lb. I know it used to be cheap like this. But after becoming super popular in the Western US, it commonly goes for $7-10 a lb now.
Best tasting beef very steak like, in fact, it can be cut into steaks. Either way, it’s my favorite meat to Sous Vide 
Sous vide’d a 2 lb. frozen chuck roast for 3 hrs at 136 F. Then cut into 1 inch thick slabs, seared in beef fat in cast iron pan, and then put in slow cooker on low for 6 hours, with onion, celery, carrot, salt, pepper, garlic, and a quarter cup dry red wine…vegetables going to trash/dog food, but the meat and fat, Oh my God! My body is saying THANK YOU!