Well, no doubt QAR.7K is minimum requirement so it would be difficult for ur hubby to get ur visit visa.
Anyhow, try QATAR AIRWAYS VISA or hotel TOURIST visa but b4 coming to Qatar ask ur hubby if he can arrange any reasonable job for in Qatar so you can take full benefit of the short period in Qatar

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There is a light at the end of every tunnel….just pray it’s not a train!./////*****