Maybe I should learn how to cook from YouTube after this 

1. I also find that whey protein is the cheapest source of protein.
- But we can't be depending solely on shakes for our protein source.

2. Canned tuna isnt exactly cheap. - 1 can Olive Oil Lite whether ayam brand or the w/e boi brand is like RM5.00 a can.

3. Multivites & EFA are great to supplement all the missing daily requirements. so no need to food hunt for the micronutrients. Only have to worry about the macros.

4. I find eggs the cheapest, easiest to down type of protein.

5. So, in conclusion, I am guessing this is the most budget friendly and sensible protein macro:
a. Caseine
b. Whey (or up it to isolate)
c. Eggs (6-10 large per day)
d. 1 to 2 meals with a piece of meat (cheapest will be chicken breast, followed by beef and fish)

6. To fulfill calories, I scream... i mean, Ice Cream.

-- my 2 cents if I were to hit it at a constrained budget. I would think staying lean is easier than getting big while on a budget, but then again, I am blessed enough to never cross this path yet

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relevant video

haha. pretty sure the eggs were on sale though most of the comments say the 99cents/dozen eggs is ridiculously cheap. But im sure most of us are not 240+lbs of muscle and therefore dont need THAT much food per week.