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However, I expect to repeat this process many times over the next few years and am worried that multiple different accounts for every property will end up creating a much more complex web than simply opening a bank account at Bank of America or Chase each time and using one of their popular credit cards.

If I purchase title insurance will it cover 100% of what I paid for the purchase price if an issue arises with the title after purchase?

Rental property will continue to be popular. 

They will likely remain popular even after this passes.Having ZERO bookings for the 8 bedroom from late-Feb thru late-May was a tough thing to handle but we had our reserves to fall back on.

Distressed lists (liens, forclose, probate for example) are always popular and good to add to a larger abesentee/equity list.

It can be hard to secure tickets because it's quite popular. 

Years ago HELOCs became a popular go to tool for buyers and investors because of the lower rate and interest only options. 

Inflation arising from price-wage spirals is a patently real thing as the 1970's proved. 

Maybe look into specific niches where opportunity will arise in the years to come (foreclosures, tax liens, etc.).