Hello ,help please .

Hi,my name is Rauf and i am disabled person of group 3 from Russia.If there will be some mistakes,sorry, my english is not well. I can't work by my profession,because i have some defects.I want to work in video editing, but my laptop is not suitable for this.My monthly allowance is 119$. I dont have enough money for by new laptop.I want to buy Apple macbook air 2018. In Russia, a laptop costs 1805 $.Please help me.If i buy this laptop,i will can work, and make enough money for a living.Thank you very much.Sorry for mistakes.my PayPal is [email protected]. Thank you very much.