I am not an expert on the spanish tax system but I am reading upon it - It appears that your worldwide assets(Properties in the US) would be subject to Spain's 'Wealth Tax'.Spain is a great place to live...but their tax system is killer

Hard to produce cash flow or break even with that much debt, at that rate.House-hackers, however enjoy certain one time (non-scalable) advantages that should be taken advantage of in the early days: - They can assume pre-existing debt like VA and FHA Loans (rather than take it on Subject-To which is dramatically riskier).- They can rent by the room and self-manage to produce day 1 cash flow.- Many of these HCOL areas also have strict limitations on AirBnB or short-term rentals... that do not apply to owner-occupants - thus allowing for extreme cashflow potential for house-hackers.

Right now focused on Charlotte & Raleigh, NC, but also considering some of the advice above of sticking with markets I have friends/family in and travel to frequently. 

.- Creative Financing Solutions:Options like subject-to deals, seller financing, and syndications can lower capital requirements and increase your purchasing power while providing flexibility for properties with complex financial situations.4.

In a Subject To, it isn't the seller making the payments.

However, longer-term bonds (1-5+ years) are subject to interest rate volatility:If rates rise, bond values drop, potentially leading to negative net returns.If rates fall, bonds appreciate, but gains are capped by their fixed coupon rates.While Treasuries provide stability, they offer limited upside and carry hidden risks for medium- to long-term maturities.Why Real Estate Is a Stronger Option in Today’s MarketMultifamily real estate, particularly value-add properties, presents an asymmetric risk-reward profile that Treasuries simply cannot match.

What kind of seasoning is generally required as it relates to the rents/revenue as it relates to servicing the note, etc...I currently own one PadSplit (acquired via Subject-to) that has been up just over a month.

If it's over a year, you'll  be subject to long term capital gains at rates up to 20%.

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., equipment) are excluded from 1031 treatment and are taxed separately—goodwill is typically taxed as a capital gain, while equipment may be subject to depreciation recapture taxed as ordinary income.To minimize taxes on the sale of the business, consider strategies such as Opportunity Zone investments, which defer gains until 2026 if proceeds are reinvested in a Qualified Opportunity Fund (QOF), or structuring the sale as an installment agreement to spread taxable income over multiple years.