ang alam ko kasi na safe na ebooks yung tlagang legit ay yung mga binibili rin kasi pag binili mo it means may authorization ka na from the author of that book, tama ba?
Usually, they are. But the PDF has a vulnerability that can be exploited.
Anyway, I just remembered that you can actually earn by uploading ebooks using direct download sites. Pero parang PTC rates ang earnings. Tapos ang problema, malamang may nauna na sa iyo sa pag-upload.