Driveshaft prices are dropping

[Grumpy Goat]

Many thanks for the reply. Looked at your vlog - most informative! As I live in a very temperate climate and rarely venture in the rain, I think I'll let this inspection go 

When it comes to rust on the splines issue, it does not have to have lots of liquid in there to have rust. They say that condensation is more often than not the cause of the moisture-causing rust. This means that unless one lives in an arid climate there is a likelihood of condensation and hence some rusting will occur. Regular servicing of the shaft and re-lubrication would keep this rust at bay. 

The frequent shaft inspection, more importantly, would allow inspection of the universal joints which is my main concern.