Here are some key points and stats to consider:Sales Performance Improvement:According to the Sales Benchmark Index, sales reps who concentrate on mastering a single lead generation tactic can see a significant performance increase.

Thanks Russ I am sure yours is like my wife worth every penny so you can concentrate on doing deals not organizing your files :)  I can also see in markets that the median sale prices are not like yours and or ours the cost could be prohibitive if your selling 200k homes and then doing commish splits etc.. there is a huge difference in making a 30 or 40k commish and paying 400.00 and making 6 k your broker split then paying the 400.00.. 

Even with all the information available on line today investors seem to concentrate on techniques and methods, and do not learn the fundamentals necessary for analyzing  investment deals.  

I'd delegate cold calling tasks for VAs and concentrate solely on engaging with warm leads.

They are more concentrated on how to buy the house rather than if they should buy the house.

2) the financial upside of a non-performing note going to performing (funds will tend to take this for themselves)3) to not have all my risk concentrated into a few investments Partials seemed like a good option with those three requirements but maybe I'm looking for too much.

If selling the SF homes is more difficult then concentrate on that first. 

Also, it's been concentrated in places like Lisbon, Porto and the Algarve, where the rental yields aren't the highest.

Able to concentrate on building anssets and equity with occasional cash outs when she changed jobs. 

Here’s a quick rundown:Pros:No Mortgage Payments: You won't have to worry about monthly loan payments.Full Ownership: You immediately own the property outright.Flexibility: You can easily choose to live in it or rent it out.Savings: No interest payments or mortgage fees.Negotiation Edge: Sellers often prefer cash buyers, which can help you get a better deal.Cons:Opportunity Cost: Your cash is tied up in the property, so you might miss out on other investment opportunities.Liquidity: Real estate isn't easy to convert to cash quickly.Risk Concentration: Investing a lot in one property can be risky.Ongoing Expenses: You'll still need to cover property taxes, maintenance, and insurance.Do whatever makes sense for you!