the gas engine are more easy to start you only have to pull the starter handle. with nitro engies you need a hand held starter and a battery to glow the plugg.but you can also get nitro engines with a pull start they are usualy range from 2,5cc to 5,0cc.
the price on gasoline engines are much higher.and you need a larger boat.
if you are looking for a starter boat you should get a shockwave 36 its and exelent boat and it comes ready to run.with a pullstart nitro engine and it got a fiberglas hull .