I didn't note the cost of the house stuff, or the town upgrades stuff, before getting the ordinances, so I just had to trust it worked. But I actually did notice the one that is suppose to help in the store did not initially work for me. Then all of a sudden a few days later everything was about 25% cheaper. It was weird.
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"BLAST! You can build a hut, but the crate has you stumped?! Sigh.."