We have Disney down to a science,,,, so far. DVC helped our costs in a big way.
We bought resale, so it was half the price of direct. For what we paid for the points and our MF costs over the extent of the contract calculated together, it is about $1300 a year. And that is 250 points. With the points we have we use on 1 or 2 bedroom villas, so that we have a full kitchen to make our meals. And since we stay at disney we do not pay for transportation.
We alternate years on buying our park passes, there are 3 of us that need tickets (and 1 child under 3 that doesnt need passes as of now). we all have 7 no expiration passes, this year i am going to purchase the PAP on sale for our january and november trip. We usually only visit 3 parks each trip, november we will visit 4. That will finish my DW and DS' s tickets up, so they will have to buy tickets in 2014, and i will still have my 7 no expiration passes, because i used the PAP in 2013. So we are not overwhelmed with a big disney park pass bill each time we run out.
It is a 2 hr 30 min flight for us, so we do not need a comfortable flight. Spirit airlines is just fine for us and we have not paid over $80 each way yet (per person).
For a family disney vacation, I think $2500 - $3000 is well worth it. And everyone wonders how it is afforded every year, DVC was the key.