This is especially true with generic medicines.
The cheapest I can get Claritin in my nearest supermarket is 50¢—$1.12/pill.
The store brand can be as low as 7¢—37¢/pill.)
The CostCo version is 2 or 3¢/pill.
All of them are the same. 10mg of loratadine, highly regulated by the FDA.
They can differ with inactive ingredients, so maybe you’d like a syrup or something from a name brand. But it legally has to be the same active ingredients, in the same amounts, in the same forms.
I love the level-0 “funnels” from Goodman Games. If I have to pick one, let’s say the classic, Sailors on the Starless Sea.
They’re easy to pitch, and really help establish a tone, especially for players who bring a lot of preconceptions from 5e.