Well, it depends upon your moto/ purpose behind. For example, if you want to develop translator or interpreter kind of skills then you need to spend more time than usual. However, if you want to learn just for day to day purpose then its lot more easier & can be learned within in a month or two.

NO. Not at all. Its super easy because it is phonetic language. Any phonetic language can be read & Written very easily.

When it comes to Hindi nothing is hard. Everything is soft. Practice pronunciation more, focus on vowels & Consonants. If you master the vowels & Consonant, Your journey would be very much easier then you ever expected & you will enjoy more. Yoyo Hindi focuses more on learning tips & tricks.