https://michalsabo.com/blog/ Practical insights on software, networking, and IT for individuals and small businesses. en-us https://michalsabo.com/blog/sabooks-invoicing-app-for-solo-pros/ https://michalsabo.com/blog/sabooks-invoicing-app-for-solo-pros/ Mon, 27 Jul 2026 15:30:00 GMT SaBooks is a small app I built for sending proposals, generating invoices, and tracking payments — without juggling three tools to get paid for one job. https://michalsabo.com/blog/office-wifi-slower-every-month/ https://michalsabo.com/blog/office-wifi-slower-every-month/ Mon, 27 Jul 2026 00:00:00 GMT A few real reasons small-business networks slow down over time, and what actually fixes it for good — not just a router restart.