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PCATD type simulators are really on good for insturment work. They do not simulate takeoffs, landings, or stalls very realistically. The sims that that do simulate those tasks realistically cost more to rent than the average 172.
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PCATDs are about as good as MSFS, except they have all the switches. The MOTUS sim at my school is full motion, and it does an okay job of takeoffs and landings. Not sure about stalls, but I got the leans REALLY bad in that thing during my instrument training. The cost with an instructor is about the same as a C172SP w/o an instructor. It can also double as a Seneca, so that is a LOT cheaper.