creative acquisition of properties in Cleveland Ohio - what do you think?

So I have started working with a great contractor in the Cleveland Ohio area and teamed up to bring great deals to any investors looking for one.

These deals are a little different to regular wholesaling and work as follows:

1. We find the property and present the numbers to you.
2. If you're happy with the numbers you enter a tripartite agreement with myself and my contracting team. You purchase the property and we rehab the house to an agreed ARV.
3. You provide up front 30% of rehab cost to begin rehab and for materials.
4. At 60% completion of rehab you provide an additional 30% rehab cost.
5. At 100%, you pay remaining rehab cost and consultation fee.You end up with a high quality property that you can rent for a great price or sell at the agreed ARV.

The great things about this deal are:
1. not all payment is required up front
2. high quality rehab work by licensed contractors
3. accurate ARV estimates by an unbiased realtor
4. properties are in locations that sell & rent fast

I wonder what people think about these kind of deals?
Anyone have an opinion or are interested in finding out more? Please join the 'Deals for investors in Cleveland Ohio' group.