I've been in similar situations with clients who are hesitant to make the switch from on-premise software to SaaS, but once they see the benefits it's a no-brainer. For small businesses, the primary strategic benefits of SaaS are definitely scalability and cost savings, as you mentioned. With SaaS, they can easily scale up or down to meet changing business needs without having to worry about expensive hardware upgrades or new software licenses. This flexibility also translates to significant cost savings, as they only pay for what they use, and maintenance and updates are handled by the provider, freeing up internal resources for more strategic activities.