No I didn't pay any tax....I was getting wire transfer from USA to my Chinese bank account. Now recently i came back to Bangladesh from China after my graduation. But here in Bangladesh they ask lot's of question in Bank like why the company sent money to u...do you have agreement with them...bla bla
And for affiliate marketing you can check out site called clickbank.com (example)...if you visit the site then from the marketplace you can find tons of products which you can promote via your website and get commission....But site making and placing your banner wont do anything. You need to learn SEO so that your site ranks high in google...More site more money