If SKP-900 is highly beyond your limited budget,Hand-held SKP-100 Key Programmer will be doomed to your best choice for remote and smart keys programming (even if all keys are lost). 

SKP100 Key Programmer is designed mainly for Jaguar, Land Rover, Ford/Mazda (not support 8C), Chrysler, Dodge and Jeep vehicles (up to 2014) via OBD2 Connector.

Here is an example to demonstrate how to program remote key for Ford Raptor F-150 using SuperOBD SKP-100 key programmer.

Video Guide: https://www.youtube.com/watch?v=SwQ6NFo_beE

Connect SKP-100 device with the vehicle via OBD2 Connector;

Boot up device and then automatically enter into main interface;

Select car model as “Ford >> Raptor”;

Select “IMMO”;

Insert key and turn IGN on;

Click OK;

Select “ADD KEY”;

Pull out key and then insert new key;

Turn the ING on;

Click OK;

Select number of keys and Click OK;

Wait for loading, needing about 10 minutes;

Program successfully.

Pull out remote key and to check whether it works.