There was about, the best buy the question whether I buy robotic I mean whether the numbers told me how to how much is qualitative and how much is quantitative? The best buy has been when the numbers almost tell you not. I mean it because then you feel so strongly about the product and not just the fact that you are going to use cigar but cheap. That it is compelling I mean, I on the Windmill Company at one time, so I you know the cigar butts believe me.
[Laughter]
I bought a very cheap I want of the third working capital and we made money out of it but there is no repetitive money to be on. I mean there is a onetime profit on something like that and it just not it is not hard thing to be doing. I went through that face, I bought street skirt companies all kinds of but in terms of the qualitative, I probably understand the qualitative the moment I got the phone call, I mean, almost every business we have bought as taken five or ten minutes, I mean in terms of analysis. And we bought two businesses this year.
Generally is 18 Billionaires deal- I have never been to their home office. I hope it is there. They could be just a few guys and say, “What number show he said love at this month.” [Laughter] I can see here coming in once a month and what we just got, we got 20 Billion in the bank this month, so with 18 Billion or something. But I know I have been there and before I bought executive jet which is part of ownership of jets and before I bought it right now never been their. I bought my family a quarter interest in the program four years earlier and I have seen the service and seen the bell. And I got the numbers but if you do not know nothing at all about the business instantly, you would not no a nothing for two months, I mean your to have sort of the background of understanding and knowing what you do understand and do not understand.
That is the key it is defining what I call your circle or competence. And everybody has got a different circle of competence. The important thing is not how big the circle is, the important thing is staying inside the circle. And if that circle is got only 30 companies in it out of thousands on the big board, as long how they are sturdy they are. You are okay and you should know those business is well enough, so that you do not need to read. Do a lots of work. Now I did lot of work in the earlier years just in getting familiar with businesses and why I would do that, is I would go out and use portfolio fishers call the scam but approach I go out, I talk to customers, I talk to maybe ex-employees in some cases, I talk to suppliers, everybody.
Every time I had see somebody in an industry let us say I have interest in the coal industry. You go out and see every coal company and I ask every CEO if you only buying one Coal Company that I was not sure on which one would it be and why? You piece those things together and you learn a lot about the business after awhile. And funny as you get very similar answers as long you ask about the competitors but you know, I would say if you get a silver bullet you know and you could put through the head of one competitor which competitor on one. You will find out who the best guy in the industry is that, in that case you have been know it is coming up and there is sort of a lot of things you can learn about the business, I had done that in the past. I am a business is that I feel like I could understand. So, I do not do much of that anymore. It is a nice thing about, investing because you like to earn a living do I knew, I mean you can do if you want to but if you run about regularly showing on 40 years ago, you still understand regards doing at me. It is not that lot of great insights together and the sort of---
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