Its just a freak season and it won't happen again for a long time.
Newcastle: Elliot; Janmaat, Mbemba, Coloccini, Dummett; Sissoko, Saivet, Shelvey, Townsend; Perez
For your sake I hope you went with Watford-Chelsea. This hasn't been great so far.
You don't understand FFP and or are missing the point. Your owners could be worth £10billion, under the terms of FFP that Leicester are signed up to, the club has to break even. The financial gulf between Leicester and Spurs (the 6th richest side) is massive, the gulf between Spurs and Liverpool (5th richest side) is as big if not bigger and then the gap to Utd (the richest) is even bigger.
To do what Leicester have done this season is remarkable but it's almost impossible for them to maintain it. The best players cost the most money and get paid the most and if Leicester's players are the real deal then 1 way or another they'll end up leaving because Leicester can't and won't pay them what they'll get elsewhere.
And briefly on Vardy. I believe it was Henry Winter who I heard or read say this but Vardy was supposedly very big on protecting his future when he signed his previous deal with Leicester, insisting on various clauses if he played for England etc. If he does indeed sign a new contract it wouldn't be a big surprise if he's insisted on protecting himself again.
I'm not trying to take anything away from Leicester though. Again, it's a remarkable achievement regardless of what happens. It wasn't quite as big a shock but when Liverpool went on their run and came close to the title, while it was awful to miss out the way we did, it's still the best season I've experienced as a fan in a very long time.