Larry, I do not have 4.5 but I do have 3.5 and there are things about it that are very similar to real models and things that are not at all similar.
The visual perspective is different. Fact of life, my 19" monitor does not look anything like Paul's open expanse of property.
Takeoff roll. Every RF model I have tried rolls perfectly straight if I slam the throttle to full and do not touch the rudder. None of the real models I have tried do that.
Actual flying is pretty similar.
Landing some models seems realistic. Others, not so much.

I do think RC simulators are good tools.

I think trying to contact local flyers for some hands on assistance is more valuable though. One of our club members blew up the plans for a Goldberg trainer to a size suitable for a G23. No matter what else he brings to the field, he always has it and the buddy box. He loves instructing and is happy to take anyone up if they want. He also has a runway on his own property and has taught several non-AMA members there, using his own stuff.