Final answer:
The advantage of personal SaaS is its cost-effectiveness for most users, due to its subscription model and included updates and maintenance which save money over traditional software purchasing approaches.
Step-by-step explanation:
An advantage of personal Software-as-a-Service (personal SaaS) is that it represents a cost-effective solution for most users. Personal SaaS typically operates on a subscription model that can scale with a user's needs and often includes regular updates and maintenance as part of the service, which saves money as opposed to purchasing individual software licenses or financing full software suites.