How to afford a mortgage payment that more than doubles?

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

1. 1
   Looking for higher-paying jobs
2. 2
   Downsizing or renting an alternative property
3. 3
   Exploring interest-only mortgages or extending the mortgage term
4. 4
   Shopping around with different mortgage brokers and lenders
5. 5
   Waiting to lock in a rate closer to completion
6. 6
   Negotiating the sales price or asking for credits from the builder to buy down the rate
7. 7
   Putting down a smaller down payment to keep cash available for higher monthly payments and refinancing later
8. 8
   Walking away from the build and losing the non-refundable deposit
9. 9
   Considering adjustable-rate mortgages (ARMs) to buy time

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.