I also have specifically looked into buying property as a non-resident foreigner in Spain and every source said that they would require a 40% down payment. 

Co-founder of Visio Ltd, operating a real estate investment fund across 48 states dealing in distressed single family homes sourced from financial institutions and sold to fix & flip and buy & hold investors. $100 million equity & debt managed.

I do know that there are other sources to pick up knowledge.

Personally hate the notion of using them solely because the loan process is "easier".

See the chart from Fair Isaac Company (FICO) below: FICO Score Pct of Population Default Probability 800 or more 13.00% 1.00% 750-799 27.00% 1.00% 700-749 18.00% 4.40% 650-699 15.00% 8.90% 600-649 12.00% 15.80% 550-599 8.00% 22.50% 500-549 5.00% 28.40% Less than 499 2.00% 41.00% Source: Fair Isaac CompanyAccording to this chart, investors should use corresponding vacancy+tenant-nonperformance factors of approximately 5% for Class A rentals, 10% for Class B and 20% for Class C.To address Class C payment challenges, many industry "experts" are now selling programs to newbie investors about how Section 8 tenants are the cure.

In 2025 what strategies are you utilizing to source off market deals?

Also, for delayed financing, you may have to source the money used to buy the property.

San Diego SFH rad average rent increase of $600/month last year (source Core Logic).  

My point is cash flow is only one source of return on RE and in my opinion the least desired because it gets taxed annually.  

Again, cloned teak are generally from the same mother tree source or a couple of trees.