However, if one has to learn on his/her own without guidance (as in my case), then starting off on an expensive model may not work. In that kind of setup, a small electric setup may be a better option.
True. But from my experience at OUR flying sites, the wind is usually too much for the inexpensive models. At best the plane is flying you rather than vice-versa!
And if one goes for a better electric, the start up cost ( a couple of batteries, good charger) is as much - if not more - than a nitro plane.