Betfair Limited was found in 1999 in Great Britain. a year later it startet with odds exchange. And this is the main difference between Betfair and other betting offices, because odds are set by bettors. Betfair is the only broker and takes 2-5% of each win. The largest betting exchange on the world offers lots of interesting options for less experienced bettors.
It´s no surprise that Betfair offers odds on lot of events. Lower leagues or less popular sports are usually less covered by info, because odds are created by customers. But you can craete your own event. You set odd and amount and offer it to the others. If somebody reacts and accepts the bet, the final result decides who will take the win.
As it was already said earlier, the company takes a fee, but it´s not so high. Everyday you can choose from approximately 30 sports like football, tennis, hockey, handball, voleyball, basketball, baseball, american football, rugby, Formula 1 and other motorsport, box, fighting sports, bandy, floorball, futsal, water polo, darts, snooker, table tennis, badminton, cricket, chess, olympic sports, skiing, ski jumping, biathlon, but also social bets. You may find here up to 250 laegues!
Technical support runs through email email@example.com and also by phone. However, Czech version of customer support is no longer available. Technical support of Betfair is not thefastest one and that´s why you have to expect answer on your question during few days. But Betfair still offers complete help section in Czech where you can find everything you need. There are also videos on Youtube or you can check Betfair blog of forum.