I don't expect you will find much rot, but who knows? Fact is, if there was a lot of rot, a moisture meter under the windows on the inside would detect moisture fluctuations, even after a month of hot and dry weather. The fact that you don't see any cracks or stains on the inside leads me to the "not much rot" statement.

Besides, vertical cracks will drain moisture quickly and the envelope may well be designed and installed to accomodate such. Some are. Wish I was there to have a boo at it for you.... even tho, sometimes, ya just can't tell without destructive investigation.

Good luck darlin.

Hehehe... I used to inspect buildings, including residential housing, for buyers. The house I am in now, I did not inspect. It was next to me mum's house (very well built) and the old girl that owned it since I was a wee lad next door sold it to me for a great price when I told her I wanted it so me mum could stay in her own home for "a few extra years". Since then, what a fuckin mess! The plumbing, the electrical, the roofing, the insulation... the layout! I have never seen a house only 50 yeras old so poorly layed out and constructed. Irony? Perhaps.