They have more confidence, handle objections better, deliver their pitch smoother, and therefore convert more opportunities.

At this time, we require all payments be delivered to our address no later than the first of the month (postmarked, mailed payments prior to the 1st are considered "on time" whether they arrive after or before and no check is deposited until the 1st regardless of when it is received). 

If the tenant submitted a change of address to the Post Office, it will be delivered there, and if anyone is there to sign for it, you have a record of complying with the law and it is up to whoever signed for it to get it to the tenant   If no change of address, or no one is there to sign, it will be returned to you. 

You should have already delivered a Late Rent Notice:Send a Late Rent NoticeThis is a piece of paper reminding the tenant that the rent is past-due.

Their price isn't ANYWHERE NEAR what their BS website claims they deliver.

He is a stay at home dad so has the time to co-ordinate drop offs (most people want it delivered to their campsite since they don't have large enough vehicle to tow). 

I've heard of mentees that started out cleaning up construction areas on a flip at the end of each work day or picking up supplies at Home Depot and delivering them to the job site.

What does the contract say about the seller being unable to deliver marketable title?

Many of the solutions you have to deliver to get substantial discounts on property would have to be solutions to headaches that nobody else (including the seller) wants to tangle with.If you can't find any compelling problem in this section, you should seriously consider moving on with your life by referring them to some sort of service provider that might be more appropriate for them.

They are very good tenants they asked for permission to buy them before they where delivered.