If you were a complete noob...

Which I am when it comes to investing and wanted to open an online brokerage account and invest say $1000 into an ETF how would get started on this process and what are some good resources to use to research what the best brokerage account would be?

A grand seems like a nice round figure, for myself anyway, to invest and learn how this industry works. 

What's your advice? 

Go with a brokerage that is available everywhere with no minimums and fees, I would suggest a place like Ameritrade or Fidelity versus a dump like Robinhood

Some offer crypto,  some don't. Some allow MJ buying,  some don't.  Just saying.  Make sure it is diverse in all sectors. 

Read a few books.  The intelligent investor is a great read.  And while your reading/learning you can have a few different stocks/etfs on a watchlist to get a feel for their volatility.  There is a million different strategies, find what will work best for you.  My son has been at it for about a year now and has stuck pretty much to dividend investing ( letting his money make more money for him.).  He has been very successful for his age.  It’s all about getting in and getting familiar with the terms and all the different sectors, ect ect.   So much to learn, but have a plan, see it out and you can really make money work in your favour.