Running a one-person business in 2026 doesn’t require enterprise software and a $500/month SaaS budget. You can build a fully functional tech stack — website, email marketing, payments, invoicing, scheduling, and project management — for under $50/month. Some of the best options are free.

Here’s the exact stack I’d set up if I were starting a solo business today.

The Full Stack at a Glance

Need Tool Cost
Website Carrd or Framer $0-19/yr
Email marketing Kit (ConvertKit) or Beehiiv Free
Payments Stripe 2.9% + $0.30 per transaction
Invoicing Wave Free
Scheduling Cal.com Free
Project management Notion or ClickUp Free
Password manager Bitwarden Free
Automation Make (Integromat) Free
Design Canva Free
Communication Google Workspace $7/mo
Total $7-26/month

That’s a complete business operating system for the cost of two coffees.

Website: Carrd ($19/year) or Framer (Free)

You don’t need WordPress. You don’t need Squarespace. If you’re a solopreneur, you need a landing page that explains what you do, builds trust, and has a clear call to action.

Carrd costs $19/year (not per month — per year) and lets you build clean, responsive one-page websites. It’s perfect for consultants, freelancers, and service businesses. Connect your domain, add your content, done.

Framer has a free tier that gives you a more full-featured website with multiple pages, CMS for blog posts, and beautiful animations. The catch is a Framer subdomain on free — custom domain requires the $5/mo plan.

Skip if: You’re building an e-commerce store (use Shopify) or a content-heavy blog (use a static site generator or Ghost).

Try Carrd — $19/Year

The cheapest way to get a professional website online. Perfect for solopreneurs.

Build with Carrd →

Email Marketing: Kit Free or Beehiiv Free

Email is the most valuable channel you’ll build. Social media algorithms change. Email is direct.

Kit (ConvertKit) Free gives you 10,000 subscribers, landing pages, and broadcast emails. You can’t automate sequences on free, but you can send newsletters and build your list from day one.

Beehiiv Free gives you 2,500 subscribers with a built-in referral program and monetization through the Beehiiv Ad Network. Better for newsletter-first businesses.

Pick Kit if you’ll eventually sell digital products. Pick Beehiiv if the newsletter IS the product.

Payments: Stripe (Pay as You Go)

There’s no monthly fee — Stripe charges 2.9% + $0.30 per transaction. You only pay when you make money. Stripe Checkout gives you a hosted payment page so you don’t need to build anything custom. Create a payment link, share it, get paid.

For selling digital products, Stripe + Kit Commerce or Stripe + Gumroad covers everything.

Invoicing: Wave (Free)

Wave is completely free accounting and invoicing software. Create professional invoices, track expenses, and see basic financial reports. No trial period, no feature limits — it’s funded by optional paid services (payroll and payments processing).

For a solopreneur, Wave handles invoicing, expense tracking, and basic bookkeeping without paying for QuickBooks or FreshBooks.

Scheduling: Cal.com (Free)

Cal.com gives you unlimited event types, round-robin scheduling, and group events for free. Connect your Google or Outlook calendar, set your availability, share your booking link. Clients pick a time, it shows up on your calendar.

No need to pay $10-16/month for Calendly when Cal.com does the same thing at $0.

Try Cal.com Free

Unlimited scheduling. Free forever.

Start with Cal.com →

Project Management: Notion or ClickUp (Free)

Notion if you want one workspace for everything — notes, tasks, client info, content calendar, and SOPs. Build it yourself, make it yours.

ClickUp if you want a more traditional PM tool with Gantt charts, time tracking, and sprint management out of the box.

Both free plans are generous enough for a solo operation. Don’t overcomplicate this — a simple task board with “To Do / In Progress / Done” columns is all most solopreneurs need.

Password Manager: Bitwarden (Free)

Non-negotiable. You’re running a business — your passwords need to be secure and accessible. Bitwarden’s free plan gives you unlimited passwords across unlimited devices. No reason not to set this up today.

Automation: Make (Free)

Make’s free plan gives you 1,000 operations per month. Connect your tools so they talk to each other: new email subscriber → add to CRM. Invoice paid → update spreadsheet. Form submission → create task in ClickUp.

Start with one automation that saves you the most time. Add more as needed.

Design: Canva (Free)

Social media graphics, proposals, presentations, invoices with your branding — Canva’s free plan handles all of it. Don’t pay for Pro until you specifically need background remover or the brand kit feature.

Email + Calendar: Google Workspace ($7/mo)

The one thing worth paying for. A professional email address (you@yourbusiness.com) matters for credibility. Google Workspace gives you Gmail, Calendar, Drive, and Docs on your custom domain. $7/month.

You can technically use free Gmail, but sending proposals from cooldude42@gmail.com doesn’t inspire confidence.

The Stack in Practice

Here’s how it all connects in a typical week:

Someone finds your Carrd website → books a call through Cal.com → you track them in Notion → send a proposal via Gmail → they pay through Stripe → you invoice with Wave → add them to your Kit email list → Make automation updates everything.

Total monthly cost: $7 for Google Workspace. Everything else is free.

When you’re consistently earning revenue, upgrade strategically: Kit paid plan when you need automations ($25/mo), Canva Pro when you need brand kit ($13/mo), and so on. But don’t pay for tools until free plans actually limit you.

The Rule

Only pay for a tool when the free version is actively costing you time or money. Until then, free is not just good enough — it’s the smart choice. The money you save on software is money you can invest in marketing, learning, or simply surviving while your business gets off the ground.