You'll get applicants if your property is desirable, and anyone unwilling to pay an application fee probably isn't a serious candidate. 

Unfortunately, one of the reasons for selling their house as a FSBO is that they have little or no equity and they may be unwilling to accept your low offer.  

He is willing to pay full amount just unwilling to commit to contract. 

You know, we're probably not going to be able to afford to pay rent in August or September, and since you're unwilling to discuss habitability with us now, we can talk about it in court.

You don't want 50% partnership with a person who allows their investment properties to fall completely apart and run their business into the ground.If you are unwilling to wait the 6 to 9 months it would take to approve a short sale as well as take a chance of getting into a bidding war with other investors who could jack up the price to get the bank to sell it to them,then you need to do an itemized list of necessary repairs and show it to the current owner and demand controlling interest (51% or more) so you alone decide how to handle the property in the future until you can buy them out completely in a few years.

One may be able to rely on the registration exemption for private offerings, but legal complications loom on the horizon for the middleman unaware or unwilling to accept current legal opinion in this area.

And it took me a while to find a mentor that has a similar style and now I am a direct competitor of those unwilling to previously work with me, as it turned out.

If they sound like they are unwilling or unable to pay for it, I would then offer to share the expense to take care of a good customer. 

Market to Sellers with problems that they cannot or are unwilling to solve that you are skilled at solving. 

The seller was unwilling to negotiate his above market price, so my realtor and I say "we can always just buy the other home on the same block for much, much cheaper and kill your comps."