You pay €9 for Calendly, €25 for Notion, €12 for Loom, €19 for Airtable, €89 for HubSpot, €29 for ConvertKit, €50 for Stripe Atlas, and €49 for Pennylane. Visible total: €282/month. Actual total for a growing solopreneur: nearly four times that amount.
The direct cost is just the tip of the iceberg
When you add up the subscriptions for a typical infopreneur’s SaaS stack in 2026, you quickly end up with a figure between 200 and 400 € per month. That’s the number everyone looks at. The problem is that this figure represents only 20% to 30% of the actual cost to the business.
The other three cost categories, however, are rarely quantified:
- Setup and maintenance time. Each new tool requires between 2 and 6 hours of initial configuration, plus about 30 minutes per month to manage updates, pricing changes, and interface updates.
- Integrations and manual data synchronization. When your contacts are in HubSpot, your payments in Stripe, your invoices in Pennylane, and your courses in Teachable, someone (usually you) spends an hour a week connecting the dots.
- Cognitive friction. Every time you switch tools, it takes about 23 minutes to regain a state of deep concentration. With 8 tools in a day, the math adds up quickly.
Opportunity cost, the real black hole
Beyond the direct time spent, there’s what you’re not doing while you’re managing your tech stack. An infopreneur who could bill €80 an hour and spends 5 hours a week maintaining their tools loses €1,600 in potential monthly income. That’s more than the direct cost of the subscriptions themselves.
The true TCO of a fragmented SaaS stack isn’t its subscription price, it’s the accumulation of minutes lost trying to make it all work together.
The “stack-as-a-flex” trap
A common habit among founders: flaunting their tech stack as a sign of sophistication. “We use Notion + ClickUp + Linear + Slack + Zapier + Make + Airtable + Webflow + Stripe + Pennylane.” It’s impressive. It doesn’t generate revenue.
A unified platform isn’t a sign of regressive simplicity. It’s a sign of operational maturity: you’ve realized that competitive advantage doesn’t come from the number of tools you master, but from the number of hours you focus on what generates revenue.
When a unified platform becomes profitable
The shift to an all-in-one platform becomes a mathematical win as soon as:
- You manage 5 or more tools in your day-to-day work
- You need to retrieve the same data from two different tools
- You train employees on more than 3 tools
- You’ve already lost a sale because an integration didn’t work
If any one of these four criteria applies, you’re paying more to stay fragmented than to consolidate. The math changes dramatically when you factor in indirect costs.
The Right Time to Make the Switch
Not at the startup phase. At the startup phase, you’re quickly validating ideas, testing, and switching tools three times in six months. A lightweight, flexible tech stack is better than a year-long commitment to a single platform.
The right time is when your business model is validated and you start scaling. That’s typically between €30k and €100k in ARR, when the cost of integrations exceeds the cost of an integrated platform.