There's nothing like being 'rescued' by the rnli and confessing to not having enough lifejackets for everyone to discourage someone from going to sea ever again. Hopefully.....
I use them to transport stuff to the boat. Then they are very useful for foul weather - you put one on the cabin sole and stand in to get out of your waterproofs. Stops everything from getting soaked.
Step out of the bag into your slippers and fire up your pipe.
PS I bought some from ebay...
Getting the anchor cable wrapped around a rock at the entrance to a harbour on a Greek Island when we chartered a yacht. In fact it was round two rocks and in front of a packed quay.
To my credit I also got us untangled. This was followed up two days later by making an absolute hash of stern...
You should always have a an unlabelled gauge that only reads 'Normal', and a switch labelled 'DFA' for those situations when you need to reassure and calm your crew.
I was told to always look for boats with an asking price double your budget, based on the fact that the asking price is a merely measure of the owners greed, rather than an indicator of the value of the boat.
There isn't one set modification - just any modification that stops the rudder from dropping to the bottom of the oggin if your tiller bracket breaks. Mine has a machined ring fixed with grub screws that stops the shaft from slipping down. Others have skegs with a pintle at the bottom. Just...
I'm a big two stroke fan. They are light, easy to fix an give great power outputs.
Go for the four stroke outboard though. It'll be quieter, far more fuel efficient and you won't have to try and find two stroke oil in isolated parts of the world.