Reading More Advice than You Actually Use

You ought to read a ton of books, and only implement a fraction of the ideas, depending on what you have time for.

• Reading books is quite cheap. Kindle editions of popular books cost less than a nice meal. Libraries and borrowing books means you often don’t even need to pay that. Even the time spent reading a book is a fairly low investment. 
• Implementing ideas, in contrast, is often quite expensive. Implementing just one idea from a book can take more time, money, or effort than reading the book itself. Implementing all the ideas from a single book might take years.