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Sometimes, when you’re thinking big, it pays to begin thinking small. Investing in small-cap stocks — companies with market caps below $2 billion — is risky, but the payoffs can be huge if you do your research and pick the right names. Zuora ( NYSE:ZUO ), Waitr Holdings ( NASDAQ:WTRH ), and Camping World Holdings ( NYSE:CWH ) are three stocks that have big dreams and small market caps. Let’s take a closer look at these three small-cap stocks to buy right now. Image source: Getty Images. Zuora In the paraphrased words of Pink Floyd, all we are is just another brick in the paywall. We’re shifting to a subscription-based economy, and Zuora is making it easy with its cloud-based platform that automates subscription order-to-revenue operations in real time. Zuora’s potential is huge, even if its recent financial performance won’t blow you away. Revenue growth is decelerating sharply for the third-consecutive fiscal year and we’re down to top-line gains of just 8% in back-to-back quarters. Its 99% dollar-based retention rate — meaning that the average returning customer is spending just 99% as much as it was a year earlier — isn’t going to be very exciting to Software-as-a-Service, or SaaS , investors spoiled by expansion rates of 120% or better. The retention rate has also been trending lower over the past two years, with seven quarters of sequential declines before stabilizing in this month’s fiscal third quarter. Q3 2019: 115% Q4 2019: 112% Q1 2020: 110% Q2 2020: 107% […]