I’m trying to get my husband to the UK for 6 months. How much money is needed to sponsor this and what is required?
There is no set amount. An applicant needs to show that their sponsor has sufficient resources to support the applicant in addition to themselves and any dependant family.
Source: V4.2 https://www.gov.uk/guidance/immigration-rules/immigration-rules-appendix-v-visitor and guidance on maintenance and accommodation provided by a third party in https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1112745/Visit_caseworker_guidance_12.pdf#page24