Welcome!
You're in the right place. This is very much a "do it yourself" site and you will see from all the members here that it's quite possible to do the whole thing without needing to pay a lawyer. Save those $$$ for your new life together.
If you want to do a spousal visa, it will take about a year from start to finish. You can't start until you are legally married so in the meantime you need to read, read, read and prepare. Honestly, thee is no such thing as too much preparation for this process.
One thing you will need lots of is proof of a genuine relationship. So keep all air tickets, hotel reservations, photos, emails, chat logs, cards, postal receipts, and anything else you have. Start gathering them now.
And read the guide on this site (link at the top of the page). The first step is the I-130.
