Is the Sicilian for beginners?

Recently I have become very interested in the Sicilian and my default move to e4 has been c5 in my last 20 or so games as black.

I have read articles and watched videos trying to find out as much theory on this line because i believe the best way to learn something is to understand it and not just follow book moves. I have come to the conclusion that the Sicilian is a advanced opening and wondered if it is good to play against players in the 1000 to 1300 range?  

What i understand about the sicilian theory is that you are trying to control the center with your d and e pawns and using the opening if played correctly to give yourself a 2:1 pawn advantage, this is the open Sicilian. 

I often find that players at my level are either not familiar with the Sicilian lines or do not want to play d4 after e4 Nf3 and I find myself in a position where I feel i am giving a big advantage in piece development.

To anyone who plays the Sicilian do you think i should be playing it at my level? Does the closed version offer a chance for black to equilize? Also how often do your oppenents play open vs closed?

Thanks 

Iain

To be honest I don't think any opening would make a difference in the 1000-1300 range. Just develop your pieces. However I'll still answer those questions but first I got a question myself: Which Sicilian do you play in the position after 5 Nc3 ? 
The Najdorf and Sveshnikov control the center but the Dragon and Scheveningen don't. The 2:1 pawn advantage though is true for every Open Sicilian. In the Open Sicilian White has more space and the center (his pawn on e4) while Black will use the open c-file and play on the Queenside in general. e5 is a great move in the Najdorf, in the Dragon it's bad as long as the bishop is still on g7 because it would be blocked, in the Sveshnikov e5 strikes in the center but makes d5 weak and in the Scheveningen at the right moment e5 (or d5) is a good move but first both pawns are on the sixth row.

If you want to play it by all means go for it, exactly by what I just said. The opening doesn't matter much on your level so no reason NOT to do it too. My opponents play the Open moreoften than any Anti-Sicilian (there's well over 10 respectable anti-sicilians besides the Closed, next week a new Grandmaster Repertoire series book comes out on the Anti-Sicilians and I ordered it already because I love the Grandmaster Repertoire series, they are for advanced players though) 

Source: Been playing the Sicilian on and off for the first 10 years of my chess career and since 2 years it's my standard response to e4. First I went with the Taimanov (with bad results), then the Scheveningen (with good results) and now the Dragon (excellent results and I want to know every single move that's been played 1 or more times in livebook, the Grandmaster Repertoire series has extremely detailed coverage.
My biggest ambition is to know all of these kind of moves inside out:

Thanks for the Informed reply Gilasaurus right now i am playing The Najdorf so 5a6, as well as looking at theory for closed positions i have found that the 2nd move for white c3 leave you in a bit of a muddle is this a anti Sicilian move?

Everything that is not d4 followed by Nxd4 is Anti-Sicilian. c3 is one of the most played Anti-Sicilians, in fact I'd guess the most.

Theoretically Black always has a decent game if White doesn't go for the Open Sicilian. Every so-called risky or on the verge of being refuted line for Black is a line that has d4 and Nxd4. 

How would you play after 1, e4 c5 2,c3 ? and what would you be thinking?

2...Nf6. No need to think, I know all theory. It's called the Alapin. You can also play 2...d5.

as well as 1,e4 c5 2,Nc3 i dont know the theory but would you go into the accelarated dragon here with g3? I watched in a video although the Dragon version is not something i am at all familiar with so until i am maybe I should keep to a more central move

2... g6 in response to 2 Nc3 is bad because of 3 d4 cxd4 4 Qxd4 being somewhat awkward

2... Nc6 is a more reliable response, after 3 Nf3 g6 4 d4 cxd4 5 Nxd4 Bg7 you can still enter a Dragon

What Sicilian would you recommend to a beginner trying to learn it? I have chose the Najdorf are they all equally as hard to master or are some more forgiving than others?

Thanks:) 

Well learning the Sicilian in general is something I don't think is possible. The pawn structures (the most important thing in an opening) are always different. The Dragon has a g6-d6 pawn structure. The Scheveningen got a e6-d6-a6 pawn structure. The Najdorf got a e5-d6-a6 pawn structure. Taimanov got e6. Kan/Poulsen e6 and a6. The only similarity between those is that the c-pawn exchanged itself on d4 giving White more space, but a pawn less in the centre and an open c-file for Black to work with.

I am in love with the Dragon and will play it till I die basically. However, it's a very hard opening. People who say it's refuted are patzers, but it's true that in the most critical variations only knowing the theory by heart will keep you alive. In my eyes it's all worth it though because you get a lot of winning chances along the way to an equal endgame at the end of the journey. But ye if I were you I wouldn't go with the Dragon atleast not for now.

The Najdorf is very hard too, but in all honesty I have never been a fan of the Najdorf. I find it overrated and overpopular. 

Maybe you'd like the Classical because development is easy, especially this variation that suddenly became popular like 6 years ago.

I really think the Classical with 6...Bd7 is a very good start because the ideas are so extremely thematic. If you learn this you could always change to another Sicilian later with good knowledge.