Have you calculated raising rents on the other units if they are below market or renovating them to force appreciation and rents?

In addition, the right purchase allows you to force appreciation and rapidly accelerate your wealth growth through a sale and 1031X into a larger property if you do choose.

The whole online purchasing will be changing soon for several reasons that are now converging. (1) the new democratic administration will be taxing online sales in the very near future or remove tax breaks that will force the Amazons and online stores to raise their fees/prices. 

Are they all forced to find rentals or move into other homes or stay in hotels?

Some prefer text or email, and some prefer to submit info via a website.In my opinion, you want to make it easy for a potential seller to contact you, so you should provide them with multiple channels to contact you rather than try and force them into communicating with you via your preferred method.

I am the one forcing the mediation.

Some will even invoke the strategy of, at the last minute after all contingencies have been released, forcing you to switch your primary checking/savings over and set up direct deposit, or your deal is nixed and/or your interest rate is jacked up at the last minute. 

Each Habitat Affiliate operates a little differently but let me share my experiences from working with our local affiliates. 1-Land Donation-Land to build on might be acquired by donation from individuals, local city/county or might be bought on the open market.Each local Habitat’s family selection committee selects homeowners based on three criteria: The applicant’s level of need, their willingness to partner with Habitat, their ability to repay a mortgage through an affordable payment plan.As part of their willingness to partner, Habitat’s home buyers invest hundreds of hours of their own sweat equity working alongside volunteers and other Habitat homeowners.2-Habitat Housing tends to be seen as a stabilizing force in the community.

Look at what happened in Dallas recently when the city made new ordinances and forced a slumlord who had hundreds of units to kick his tenants out and sell.

I left a little over 18 years ago to join the world's greatest Air Force.