I Think I’m Getting Old

A gallon of name brand milk is 5 bucks in some places
8 bucksCan here and a gallon is 3.78liters so about same as your 128oz gallon. A 2-liter coke is as high as 3.70C, but sometimes on sale for half that.

When I got married we used to buy bread for 5 loaves for a dollar in the mid70s, now it costs me that for just one loaf. Five bucks/20cents is a 250% increase. Wages do not compare.
Dad bought a brand new 1040 sq ft bungalow with unfinished basement in 1966 for $13,000, in a nice suburb. I bet that house would sell for 300K now. He bought a brand spanking new 72 Nova for around 3K. I think in 72 my wages were around $1.35/hr, pumping gas.
1972 was 48 years ago for me.