@Christina Galdieri You can absolutely 1031 exchange into multiple replacement properties.

Every market is different, but paying cash doesnt necessitate a huge reduction in price - it might, or it might just make the offer more competitive than other bids that require financing. 

For applicants with multiple adult occupants, do you take the combined income for everyone into your income criteria?

@Brice Alef-Torrisi To manage finances for multiple properties, maintain separate bank accounts for each property if held under different LLCs to avoid commingling, which could jeopardize liability protection and complicate tax deductions.If properties are under one LLC, using a single account is fine but requires detailed record-keeping for each property.

So accepting and approving multiple applicants is the norm?

In very broken English:"No necessito, US has free food!

Whats a typical multiple for such asset?

We had an accounting system once that necessitated doing this - not ideal, but it keeps the assets and liabilities straight and AP is just an accrual until you pay the bill.

I am seeking recommendations for an app that can integrate with multiple platforms.

@Bob Asad I like the individual sub account method escrow account, but there are multiple different ways to hold security deposits and multiple laws in different states.