Growing a SaaS company is such a slow process. How do you know if you're on the right track? Our guest today is Derrick Reimer, a founder of several SaaS companies and a fellow podcaster. You'll learn the story of his previous SaaS product, multiple ways to validate your product idea, and what are the signals that a product-market fit is happening (or not).Download the MP3 audio file: right-click here and choose Save As.Podcast feed: subscribe to https://feeds.simplecast.com/4MvgQ73R in your favorite podcast app, and follow us on iTunes, Stitcher, or Google Play Music.Show NotesI'm Walking Away From the Product I Spent a Year Building — Derrick's post-mortem article about Level37signals — the original site from 1999Getting Real — a book by 37signalsStart Small, Stay Small — a book by Rob WallingDrip — Derrick's previous product with Rob Walling (acquired by Leadpages)The Mom Test — a book by Rob Fitzpatrick on talking to customersStaticKit — Derrick's current productThe Art of Product — Derrick's podcast with Ben OrensteinDerrick's personal websiteFollow Derrick on Twitter: @derrickreimerToday's SponsorThis episode is brought to you by Gusto. Small businesses across the US love running payroll with Gusto. Why? Because Gusto automatically files and pays your taxes, it’s super easy to use, plus you can add benefits and management tools to help take care of your team. But here’s the thing: it’s almost 2020, and switching to a new payroll provider can be tricky. Gusto can help! Sign up today at gusto.com/uibreakfast and get three months free when you run your first payroll.Interested in sponsoring an episode? Learn more here. Leave a ReviewReviews are hugely important because they help new people discover this podcast. If you enjoyed listening to this episode, please leave a review on iTunes. Here's how.