It really is a bit more involved than posted above, there are exceptions to some of the rules and there are restrictions on importation of goods etc.
Certainly it would be wise to analyze the differences within each residency program in order to see what is most suitable for your family.
QRP does not mean you cannot be emplyed, but it does mean you are not emplyed in Belize. The $2K bank deposits can be paid in a lump sum in the form of say a house payment.
QRP does not require that you live here for a full year before qualifying.
I believe the BTB website has the current info posted but as with anything, the intricacies are interpreted by the govenment rep that you deal with.
I would not presume that any of the comments posted here are entirely accurate so be sure to go to the source to receive the current rules and regs.
No matter how you choose to proceed a good start is coming down and visiting and seeing if you love the people, the place, the food and if you can handle the power outages and occassional lack of sophistication.