You should pick a match betting website that curates the best offers for you and provides the tools (like odds matcher and odds calculators) you need to be successful. The best website for that I recommend is Profit Accumulator. The next best recommendation is OddsMonkey. You can also choose to start with a free option, but eventually, they lead you to a paid service anyway. So if you're serious about making money using matched betting, you can skip this additional step and sign up for a free trial with a premium service.