No cheap remote control planes are not durable theyre made of cheap plastic and if you crash them they will probably be broken with the first crash. They make the motors cheap and the battery life on them are really low.
It is common for remote control planes to crash. I would start off with cheap one until you become familiar with how to handle them.
only the cheapest one
If by a cheap shop you mean buying on the internet then there are thousands of sites probably for remote control vibrating panties such as supersexystuff.com and many others.
In most products, cheaper alternatives are made of lower quality materials or are manufactured with lower quality standards. Cheaper remote control boats are more likely to lack the desirable specifications of more expensive ones and are made of cheaper, less durable plastics.
A cheap remote control boat may be more affordable but they chances are it also made cheaply as well. They are more likely to break and not last as long.
Remote control helicopters can be purchased in a variety of stores. Online, Amazon and eBay have the best prices. Offline, Walmart and Target appear to sell them the cheapest.
http://www.sussex-model-centre.co.uk/ have a wide range of remote control planes, but if you're buying cheap, they won't be the best quality and will probably break easily.
Cheap RC boats can be purchased in several places, such as Amazon.com. Boats offered include the Super Cruiser Mini Electric RTR Remote Control RC Boat, which is only $12.95 http://www.amazon.com/Super-Cruiser-Electric-Remote-Control/dp/B004MNU35S
Yes iron is very cheap but durable
A cheap nitro remote control car can allow you to get into the hobby of RC cars easily as the cars can be quite expensive. Once you have your cheap nitro RC car, fuel will be your biggest expense.
Encore Medical in Los Angeles phone 310-538-9138, I find cheap prices with this guys.
The Mattel toy helicopters are very cheap but have excellent range and take off-the-shelf batteries.