

However, some people are always going to want things their way, and that's when you need to decide whether to draw a line, or compromise to make everyone happy.

Pre-made adventures operate with certain parameters, so a low-magic environment can be seen as a feature, rather than a problem. Players can be difficult and it is important to manage expectations early. If a shop exists that makes custom order magic items, the players could interact with it, but probably wouldn't be able to see it through. Though it could be frustrating for them to always be out of reach. If your players never earn enough to afford magic items then making them available would have no impact on the game, (unless they tried to charm or rob the merchants). (2) More rare magic items can be very, very expensive. (1) Common Magic Items are typically low impact, so a shop that has a few shouldn't be a big issue.
