Crowdfunding for Acquisition

Not really, but kinda.

My partner and I have been looking into acquiring a winery with a vineyard. The seller is open to seller financing, but we are looking to raise in the neighborhood of $600k for a downpayment.
We are members of other wineries, which generally is an expanse of around $1000/yr, which got me thinking about using presales of memberships as a way to raise for the downpayment.
We were thinking of 3 packages.

$1000 prepaid for 1 year (usually paid quarterly),

$5000 prepaid for 5 years

$10,000 for a lifetime membership

Each membership would come with 3 bottles 4x/year with a pickup party for each one. 10% Bottle discount for additional bottles, free tastings for up to 6 people, free glass of wine with each visit for member and their guests. $15 flat rate shipping for members who can't come to pick ups. Additional benefit of a free ticket for additional events held throughout the year for 5 year and lifetime members, with a discounted ticket for a guest.

It would feel kind of like an equity membership at a country club. So, my question is, does this seem like a feasible idea? I looked at WineFunding.com and have reached out to them, but I didn't see any projects it the states. Has anyone talked to them, or invested through them?