It's wise to then, seek consent to transfer from your mortgage lender.

There are protections under MD Loss Mitigation Laws already afforded to those who are 60 days past due on their loans, and to those who are not capable of comprehending and consenting to sign a contract,  but if you go to an ADULT who owns a home and who is not in pre-foreclosure in MD and has his mental faculties INTACT, then you can make an offer (which should be for the wholesale value minus a fee you will be adding to your assignment agreement), and it's perfectly legal thing to do.

They did not obtain consent from all owners.".

The FTC just came out with guidance on this is February and they're gonna treat it as a robocall (needs express written consent to work).

I have done some research on it and found in many cases they actually have to have my consent to test for meth and without that, they can not test. 

Other common lease violations are damaging the real property, staying longer than agreed upon, keeping pets without the consent of the owner, or breaching one of the material terms of the lease agreement.Performing illegal activityInvolvement in an illegal activity may be valid ground to evict a tenant.

If there is a similar provision in your mortgage, you technically do need the bank's consent.

Everything Paige said and a few more.All vehicles must be licensed, tabbed and operableNo water beds, pools, portable heaters, portable dishwashers, portable clothes washers or dryers shall be used on the premises without prior written consent of agent/owner.No dust, sand, dirt, rubbish, coffee grounds, feminine products or other foreign material shall be flushed or washed down toilets,sinks, or wash basins.

(b) The lien for taxes or assessments or other rights of any taxing agency that does not consent to the sale under this chapter.

The parties acknowledge and agree that neither party shall have any liability or obligation to the other with respect to the matters set forth herein unless and until a definitive PSA has been executed and delivered by both parties.ConfidentialityThe parties agree that all information exchanged pursuant to this LOI and the negotiation of the PSA shall be kept strictly confidential and shall not be disclosed to any third party, except as may be required by law or as necessary to obtain third-party consents and approvals.We trust that the terms outlined in this LOI are acceptable and look forward to your favorable response.