Packaged software is often the sensible place to start. It is faster to buy than to build, and it is usually good enough while a process is still simple.
The cost tends to appear later. Staff copy the same details into a second system. Managers rebuild reports by hand. Exceptions are handled in email because the product cannot represent them. None of that shows up neatly on a licence invoice.
Look at the workarounds, not the feature list
A product can look complete in a demonstration and still be a poor fit. The useful test is what people do after they log in.
If the real process lives in spreadsheets, shared inboxes or side conversations, the software is no longer reducing effort. It is creating a second version of the work.
A custom system does not have to mean a large rebuild
Bespoke software is often treated as an all-or-nothing decision. In practice, the better move is usually smaller: replace the part of the process that is causing the most delay, then connect or retire the surrounding tools in stages.
That might be a booking workflow, a training record, a customer portal or a reporting layer. The aim is not novelty. It is a system that matches the way the organisation already operates.
Decide with the operation in the room
The people who will use the result should be able to explain the problem in their own words. If a proposed system cannot be described in those terms, it is probably being designed around the software rather than the work.
Deploy starts with that conversation. The outcome may be a focused custom application, a better integration, or a clear recommendation to keep the product you already have.