I think Bill Exeter answered your first two questions quite well.I would add however that upon death your Estate Plan would probably dictate the transfer of your TIC ownership to your desired heirs.
In resonponse to your third question, generally, TIC transactions are sold as “Reg D” Securities, and the resale of those positions must also be sold in this manner. The Sponsor’s Tenant in Common agreement allows for “early exits”, and generally, the terms of loan agreements permit transfers, however, the legal documentation, PPMs, etc. cause these TIC postion sales to be cost prohibitive.
About 10% of the TIC industry, including my firm, SCI Real Estate Investments, offer TICs as non-securities. These non-securitized TIC interests are offered on a real estate platform as strictly real estate interests. They generally have the same type of tenant-in-common agreements and lender requirements, however, the costs are not nearly as high, and they can be sold readily to another TIC buyer. The process is that your interest would be first offered to the existing group of TIC investors in your particular property, they may be the logical buyers anyway because of their existing ownership in the property. If none of the other TIC owners have have an interest in purchasing additional ownership in the property, it can then be offered to other potential TIC buyers either thru the Sponsor or by the current owner of the TIC interest, We have done a few of these transaction and they have run quite smoothly. However, they are actually quite rare. Potential TIC buyers of our interests are however greatly comforted by the fact that there is an “early exit” plan in place in case they would ever need to dispose of their interest early.