Is High-end graphics card must for mining?
For long term mining, this is inevitable, however if you have existing card that can do mining then its fine, consider your power cost.
I started on Minergate as well. Nicehash is better, especially if you just want BTC. I will admit, though, I keep Minergate around for times when more difficult miners give me a hard time. It pretty much always runs, so at least I can scrape in some Bytecoin or something while I fix my main software.
Thanks for your advice
good thing about NH is that,pays thru btc,
btc price increased rapidly lately
earnings also increase