No more or not more? Please, tell me what should I write in such a sentence? e.x. He wants to take only one book and no more. (or not more?) Thanks

Is it easy for a native English speaker to understand this? (IT topic) I found this sentence "Effective traffic increase by SEO-team works attracts much more visitors than just a sole Contextual Advertising". I think it is too complicated construction. So, I would like to ask native speakers, is it understandable for you or not?

Sole trader or private enterpreneur? Hello! Please, tell me what of these names is suitable for such form of business when one person can be a leader and for example seller at the same time? Can I call him a sole trader or a private enterpreneur?

A website of English grammar Hello everyone! Can anybody advise me a good website of English grammar for English-speaking people (may be even for children or students). Thank you very much!

Trash out Can I use "trash out" when I say about a concept or an idea? Am I right that it means to think of something very thoroughly and for a long period of time?

Which or that Sometimes I hesitate what to use, which or that? I have found the following explanation with examples. Is it right? 1. Our house [that has a red door and green shutters] needs painting ("that" suggests that we own more than one house and therefore must explain that we are talking about a particular house of ours). 2. Our house, [which has a red door and green shutters], needs painting ("which" tells that we own only one house and we are simply telling you in case you want to know). 3. The classrooms [that were painted over the summer] are bright and cheerful ("that" tells us that only SOME of the classrooms were painted over the summer.). 4. The classrooms, [which were painted over the summer], are bright and cheerful ("which" intends to tell us that ALL the classrooms were painted, the information in the adjective clause is not essential).

5 Years experience or 5 Years' experience? Hello everyone! Please, tell me, if I say that one company has been successfully working during 5 years, should I say 5 years experience or 5 years' experience? Thanks!