Depends on what you really need and how good you are in configuring server... I have tested a LOT of commercial VPS services, many of them especially for MT4 based on Windows Server operating system. What I have found is that if I did not pay crazy ...

computer that runs 24 hours

...here is material I promised: url - it is really good documentation about MT4/5 strategy tester

Looking for experienced traders/coders to explain backtest result

Hello, Ullen, I am experienced coder and unfortunately know few issues with MT4 strategy tester... My advice - don't believe in tester result. You didn't tell us much about your system, what I understand, but is quite hard to help you this way. To ...

Looking for experienced traders/coders to explain backtest result