Currently exploring investing in South-East Spain (Almeria) for STR.From what I read as US-resident, it's much more advantageous to invest via a Spanish SL (able to deduct costs in the tax + less transfer tax in the purchase). 

Crowdfunding platforms tailored to hospitality investments might be another avenue to explore.

Don't kid yourself regarding flips - if you are doing flips, you are not retired.

You could explore a private note sale but without hard collateral it could be difficult and would come with a discounted buy out.

Explore my personal favorites, Set For Life by Scott Trench or The Total Money Makeover by Dave Ramsey, for invaluable financial insights.3.

Now, it’s time to explore the various methods of investing.

It will give you a 30,000 feet view of real estate investing as a whole for different strategies and will allow you to find new ideas and to explore and see what works for you!

Depending on your risk tolerance and investment goals, exploring short-term Treasury Bonds, high-yield savings accounts, or diversified alternative assets like private lending or REITs could also be worth considering.

Explore Potential Funding OptionsPrivate Money Lenders (PMLs): Reach out to private individuals looking to invest in real estate.

If you would really like to explore the sector : why not go and message 10 to 20 operators and offer to look after their property or clean their property for a month in exchange for their knowledge and details on the numbers.