From my understanding, Vancouver BC is even more expensive than Seattle to buy and develop.

expensive for wholesalers".As a wholesaler you don't actually buy the property (usually at least).So the only costs really is marketing.

I thankfully make pretty good money and can probably save more than the average American could to invest in real estate.

I am looking for a basic Back of Napkin version that doesn't get too deep into the weeds initially  Yes it has a back of the napkin version, but here is one too....GPR x Vacancy/ Collections Loss (%) x Expense ration (ie: 40-50%) = NOI / Cap Rate

Draft a Lease that give you the use of the building and the right to do improvements at your discretion and your expense.

What is the average build cost of a 6-8 unit and what can you expect to sell each unit for?

I have started to interview syndication attorneys for large multi family investments and wondering what is the average cost that I should expect? 

“America has a lot of land, local governments have been making it more difficult to obtain development approvals, and also make land expensive to develop.”

When you do a 1031 exchange, you have to calculate the basis in the new property that you purchased.When you sell the last property, the gain is calculated as sales price, less expenses less adjusted basis.

So the LL will be paying out of pocket to get these units into a state that is safe for occupancy and then must rent to the tenant at the same price as prior to this expense.