tourism and convention help

[junabyy]

Dear

Am visiting US for convention by a church and to tour some places

I am sponsoring my sel with a savings account of $7000
I am married with kids
I am catering for my inlaws health, expenses, accomodation, feeding, clothing etc
I am a trader in cosmetics and hardware retail

Now from the above is my ties good enough to apply for tourist visa

How can i show evidence as a trader

How can i declear my tax returns as i am supplied, pay back and take my profit after sales

How should i declear my monthly or annual income since am self employed working with my younger brother and pay ourselves after sales and have no pay stub

Thank you and plead you reply me or reply to [email protected]

Thanks and blessings