There are many ways of going to market, and in the same manner, there are many styles or modes in gaining knowledge. I can't say which way is better, but for as long as we arrive at the same result, ok na iyon.
Basically, I don't argue. If that's you're say on a topic, that's for you - applicable sya sa iyo, so go ahead, practice it.
Why this stance? I have read the lives of the Taipans here in our country. They have different beginnings, different business styles, products of the "old" school system in the country, yet they arrived at the same result - they all very successful. So why argue? Do remember Sir Mao's teachings: "It doesn't matter if the cat is black or white, so long as it catches mice". Its the results that matters!
Me? As I said, I run my own life. Advices may come from other folks (you, incuded) and I welcome them, ponder on them, verify their applicability to my system - but at the end of the day, it's my own decision that I follow.
Judge? Not my cup-of-tea. I am never in a position to do so. You may read the Book of Matthew for more details.
Teach? Neither have I a deep knowledge for such nor the right to do so. Kung iyong mga Taipans nga na dekada na ang business experience di nagtuturo, ako pa na wala pang isang dekada ang business experience?
Share? That's what I do. The readers of my posts may be enlightened, but to follow what have been written are at their sole discretion.
On your issue re: "sari-sari" store, you may want to read the book of Mr. Colayco and answer your own querry from thereon

. You may even send him an email if you wish, hehe.
If I have not answered most of your post, it's my choice. Pero mag post ka lang, hehe. Your posts provide me some degree of amusement, actually.
Am I an employee or a businessman? It doesn't have any bearing to me. But I am maximizing the talents God has given me, so I do play several roles at the same time.
Our line of business? Sorry, but only my partners, close colleagues, the DTI and the BIR are entitled to that info.
I maybe extremely busy in the coming days as my mother's health has been deteriorating the past few days, an offshoot probably of her having undergone dialysis every four (4) days for the past nine (9) years - thus this maybe my last post for now.
But keep on posting Sir, other members may find learnings from your posts.
Have a great day ahead and God Bless!