I believe that it is a plus. While a commercial package may fit many of your business's needs, it is doubtful that it will have the same efficiency as custom software. By meeting your exact specifications, you can cover every aspect of your business without unnecessary extras. It gives you greater control, which is important if your business has specific needs that your average commercial product cannot fulfil.
You can read more here: https://www.business.org/software/apps/the-pros-and-cons-of-developing-your-own-software-versus-outsourcing/
Besides if you do have any questions give me a call: https://clarity.fm/joy-brotonath