They don't facilitate a lease though. 

The county tax collector office can facilitate the auction themselves, but sometimes counties will delegate the activity to the local sheriff’s office.

For many tenants its hard for them to pay for 2 places at once even for just several days to facilitate a move.

Seems the investors would have a cause of action if the tax liens were stripped, since they facilitated purchase of the liens in the first place. 

That being said, if you are putting 0% of the money down, and you get 30% of the deal for managing/ facilitating it, and then you have an option in the partnership agreement to buyout the other partner at what they put down, plus 8% a year, while they are enjoying cashflow and appreciation and everything else, that deal might work. 

[Wholesaler 2] will evaluate deals brought by [Wholesaler 1] and provide marketing assistance to promote deals to cash buyers.Both parties will jointly facilitate showings, offers, and negotiations with the seller to assign the contract.Profit Split:Net profits from assigned contracts will be split between [Wholesaler 1] and [Wholesaler 2] on a [50/50] basis after any marketing, transaction, and holding costs are deducted.

Now if you said I needed to facilitate no less than $2m per week in acquisitions of such, every week, for next 3-Q's+, ok now that may start getting difficult, keyword "may". 

If (as an active duty servicemember) looking to become an agent for self-edification and to more easily facilitate one's own transactions, more power to you.

You will either need a solid balance sheet and impeccable bank relationships or, ideally, work with an American citizen/partner with experience who can facilitate you on the lending side - agency or conventional.

You can create tools and platforms that automate tasks, manage property listings, facilitate online transactions, or provide data analytics for real estate investment analysis.