Should I marry my US fiance in the UK or US, if we wish to reside in the US after marriage? [closed]

I have a number of questions that will help me understand if I should marry my US fiance in the UK or US, if we want to settle in the US.

Firstly, from a timeframe and financial perspective, should I (British citizen) marry my US fiancè in the US or UK, if we wish to reside in the US after marriage?

If UK:

(Working on the basis that my foreign national fiancè will enter the UK to marry on a Marriage Visitor visa)...

Based on the rule that you must give at least 28 days notice to marry at a UK Register Office, must my foreign national fiancè stay in the UK between giving notice at the Register Office, and the date of the ceremony (minimum 28 days later). Or is he able to exit and re-enter the country during this time? I.e to continue employment in his current place of residence.
Based on the Marriage Visitor visa period of 6 months:

a. Can my foreign national fiancè stay in the UK beyond the day of marriage on the existing Marriage Visitor visa (for a period up to 6 months)?

b. If yes, and once married, can he exit and re-enter the UK on the same Marriage Visitor visa (within the 6 month visa period) for the purpose of continued employment in his place of residence?

Once married, and once the 6 month Marriage Visitor visa has expired, on what visa type can my foreign national husband visit the UK? (whilst we await the US CR-1 Spousal Visa allowing me to move permanent to the US to be approved).

IF US

a. Can my British wife travel to US for visitation, while the CR-1 Spousal Visa is in process, without causing complications?

b. If yes, on what visa type?

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Can I marry my American fiancÃ© in the UK?

In short, people who are subject to immigration control and who wish to marry in the United Kingdom must: hold entry clearance as a fianc\xe9/e or marriage visitor, or. hold a Home Office certificate of approval, or. be a person with settled status in the United Kingdom (e.g. Indefinite Leave to Remain).

What happens if you marry an American citizen in the UK?

If you went through a valid marriage ceremony in the US or in a third country then if the marriage is considered legal in the country that it took place in then your marriage is likely to be legally recognised in the UK. Plan to live with your husband or wife whilst in the UK and intend to stay together.

Can I live in the US if I am married to a U.S. citizen?

A marriage green card allows the spouse of a U.S. citizen or green card holder to live and work anywhere in the United States. A green card holder will then have \u201cpermanent resident\u201d status until they apply for U.S. citizenship, if they choose to do so.

Is marriage in the US recognized in the UK?

Your marriage or civil partnership will be recognised in the UK if both of the following apply: you followed the correct process in the country where you got married.

I entered the US on a fiance visa but we never got married, how can I stay in the US?

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