Lease to own is a fixed monthly paymentGood evening,
I'd say that it might be an idea but say for example they take ownership of the domain name and the company goes belly up. Your equity share is then worthless as the company has ceased trading and the other party will own the domain name. However, another option which I think is a better alternative is a lease to own scheme whereby they can lease the domain name for say up to 60 months and they would make monthly payments but you would still own the domain until the final payment has been made and cleared. It is estimated that there is up to 30% more chance of securing a sale.
I have only recently switched my domain names to lease to own so I do not have any meaningful stats of my own but maybe others with more experience can chip in.