AS for structure and if you guys come to terms.. its simple for you siblings to simply be co beneficiaries of the note and mortgage.. 

The Buyer agrees to use commercially reasonable efforts to secure such financing within [Number] days following the execution of the PSA.Closing DateThe closing of the transaction (the "Closing") shall occur on or before [Proposed Closing Date], or such other date as may be mutually agreed upon by the parties in writing, subject to the satisfaction of all conditions precedent set forth in the PSA.Condition of TitleThe Seller shall convey to the Buyer good and marketable fee simple title to the Property by warranty deed, free and clear of all liens, encumbrances, leases, tenancies, easements, restrictions, and other exceptions to title, except as may be expressly approved by the Buyer in writing.Property DocumentationThe Seller shall deliver to the Buyer, within [Number] days of the execution of the PSA, all documents and information relating to the Property in the Seller's possession or control, including but not limited to, title reports, surveys, environmental reports, leases, service contracts, permits, and warranties.Non-Binding NatureThis LOI is intended solely as an expression of the mutual intent of the parties with respect to the proposed transaction and does not constitute a binding agreement, except with respect to Section 9 below.

@Felix PiperIf everyone is truly active, it can be a simple joint venture.

Let's keep our number simple.

We have an index fund/stock portfolio, dividend/simple interest income, real estate cash flow, and a low cost of living to get there.

For liability issues I feel like people can injury themselves in a number of ways like take a tumble down the stairs or burn their hand on stovetop so a simple treadmill doesn't seem too dangerous to me? 

Create a simple spreadsheet or written list to compare the features of each and identify the ones that align with your requirements.

Simple as that. 

These seem like simple questions but google doesn’t seem to have a simple answer. 

FOLLOW THE K.I.S.S method plan (keep it simple and stupid).Find and hire a real estate agent that understands multiple investment strategiesGet pre-approved - see what options you havebased on your pre approved price - identify an area you want to invest in that you can affordLeverage the agent to : bring you properties, assist in pulling comparables (you should know your comparables of the area you are looking in, this is for a second opinion) review and confirm your estimated rental income, assist you with acquiring the property, and have a list of resources you could use; contractors etc.Looks at properties and make offers that work for YOU.Also,Do not pull your IRA money out, leave it there and let it grow - leverage this to meet your lenders reserve requirements.Buy Multi family to holdBuy single family to fix and flip and produce more income to buy more multi families.