Don't do it fast, baby: do it right. Marriage visa applications provide an endless fountain of fatal assumptions, which is why they have one of the highest rates of refusals.
There are no guaranteed visas or immediately effective changes of immigration status when it comes to being married to a British citizen.
Those who are successful tend to be the ones who take time to go through the rules and understand clearly what they're up against. They seek professional advice and ask questions. They don't look at their friend's shiny new visa and think, "Oh poo, I could do that..."
This guide aims to help you understand your position better and includes comprehensive lists of the different categories of applicant. Yes, there's more than one type.
Priced for your pocket to fall in love with the aim of a happy and prosperous marriage.