Best and cheapest sites to buy and sell currencies

Peace be upon you today, we will explain how to buy and sell bitcoin and other currencies and how to profit from them
There are many sites that offer these services
After the experiment for more than one site is considered the site (BTC-E.COM), which is a company based in Europe and is one of the best sites and cheaper to buy and sell currencies
The site has been operating since 2011 and is reliable, God willing
You can sell and buy through this website the following:
1- BTC <> USD
BTC <> EUR
3-LTC <> BtC
4-LTC <> USD
5-LTC <> EUR
6-NMC <> BTC
7-NMC <> USD
8-NVC <> BTC
9-NVC <> USD
10-EUR <> USD
11-PPC <> BTC
12-DSH <> BTC
13-ETH <> BTC
14-ETH <> USD
15-ETH <> LTC
16-ETH <> EUR

How to buy from the site:
First you must have an account at
Perfect mony or Okpy or bank account or Mony Polo so you can buy and if you do not have any account in these banks if you own the currency bitcoin or Light Queen or Etherom or others send them to your portfolio on the site and begin the process of buying and selling

You can send your money from the website to electronic banks:
1- Bank account
2-PAYPAL Minimum sending amount is 500 $ and a commission is deducted 7%
3-OKPY Minimum sending amount is one dollar free commission
4-ALFA BANK
5-WEBMONY
6-EPESE
7-ECOIN
8-PERFECT MONY Minimum sending amount is $ 10 and commission is free of charge
9-BTCE-COD This is the most important feature of the site where you can convert any currency to a special code site and buy it or transfer it to other banks without any commission
For example, if you have an account with Payeer, Advcash or Okpy, you can add money to your account with this code without any discounts

And the most important point how to win through this site:
If you have 1 BTC credit and the price of the bitcoin for example $ 600 and the price rose to $ 700 we sell, for example, we get $ 100 profit
When the price of the bitcoin drops, you buy and so you need to keep up with the price of the bitcoin.
As well as do with other currencies.