Why there’s not a website where you can fill in all your preferences and perform a thorough background once and then you get some reciprocal deal with the owners?

Seems that inventory is very low, property prices and interest rates are very high.  

Anyone know in demand is high or slowing up ?

Markets to look for: Without knowing your budget, it would be hard to say however, Florida is a very popular market for Canadian clients because of the positive cash flow and the ability to find affordable properties in high occupancy areas. 

The two downsides to syndications are the high minimum investment and the difficulty in finding good sponsors and deals, but you can solve for both by joining a passive real estate investment club.

Your concern is a good one, buying in this market at high rates = high payments and you may not cashflow if you were to repeat the process.However, 2 considerations. (1) By not doing it you don't have 800-1000 in your pocket, so although the payment on the new place might be higher than in a normal market you've got extra funds to cover it.(2) Your new rate is not forever, perhaps in this high rate market, it's as you say, best case you're breaking even if you repeat this process.

I feel this would be a much higher cost due to the high level of labor needed.Thoughts?

We also perform what we call, "RSRAs" or Risk Search and Risk Assessment.

Why not just find a high yield savings account or invest it in the stock market?

.$500 seems high, but depends on the locality.