1)This can be stored in a air tight container for for 2 to 3 days in fridge.
2)Since it has raw eggs in it, always keep the mixture cool.
3)Use the small jar from your blender. Big jars wont work.
4) Only egg yolks should be used.So separate the egg yolk carefully.
5)If you find the mayo curdled. Dont panic. Start with a new batch. Take couple of egg yolks and use the curdled mixture as the oil, slowly add it and blend it. This way you will get a perfect mayo.