There is no Passive investing.  

Could be a fun investment!

If they encounter difficulties, they can consider Delaware Statutory Trusts (DSTs) as a backup option.

We also stopped investing in Roth IRA’s.

College rentals are relatively expensive and come with their own unique challenges:1) Roommates not getting along2) No one cleaning or maintaining the property3) Weekend party damages4) Etc...While you are considering what to invest in, recommend you also figure out the property Class you want to invest in.Why is Property Class so important for investors to understand and apply in their investing strategies?

It's great to hear about your success with this multi-family buy-and-hold investment.

Investment Info:Small multi-family (2-4 units) buy & hold investment.

Being a Teacher and self managing your investment home... 

Also, if there’s a mortgage, transferring it to an LLC could trigger the due-on-sale clause, requiring lender approval.Better Alternatives to Avoid Reassessment & Save on Taxes:Living Trust (Best Option) – Your aunt and stepfather could quitclaim their interests to your aunt, who then sets up a revocable trust naming your mother and you as beneficiaries.

Listen to podcasts, read books, and if you plan to invest in the Netherlands find some resources that speak to that market specifically.