Greetings @mandate
To reach success you always have to go through difficulties, I am one of those who think that when you get things easily, that's how easy it is. Starting from this point the limitations or difficulties that you may face to achieve success are you yourself because there are times where you do not achieve what you want because of your negativity or because you are always predisposed to that you are going to fail, which is why whenever one is traced a project however difficult it may be you always have to go for it with all the desire to achieve it.
And the answer to your question about whether success can be achieved easily, for me there is nothing easy. There will always be difficulties and one of them are your own limits, if you are motivated and clear about what you want there will be no problem that will stop you and no matter how difficult it is you will achieve it.