You search online to find a qualified software consultant in your area. You set up an initial meeting to go over your needs. She sends you a quote for her services for the year. While she is expensive, she has the technical expertise to set up the software to meet your company's needs. You end up paying her less to complete the setup than you would have paid for a local installation fee with support or for SaaS. She was able to customize the software, and you're very happy with the job she did.

The software works well for your company. You customized it to meet your needs, synced your customer data, and were able to provide access to the software on all of your electricians' devices.

After a few months, the increased file size and demands on system and network resources are causing the software and the devices on which it runs to run slowly and inefficiently.

You realize that the problem is that the demands of the software have outgrown the capabilities of the hardware.

Buy new hardware.

Migrate to a web$-$hosted SaaS.

Migrate the application to a public cloud server.