I have probably either missed this information or it is not yet decided/released... so do excuse if some of these questions seem silly
1) What will be the primary function of safenodes?
2) Will there be a lock-in period (contract) on the collateral within the safenode?
3) What happens to POW / miners once safenodes release?
4) Where will safenodes earnings come from?
5) What is the anticipated earnings (in SAFE) of a safenode?
6) Will safenodes have an integrated voting feature so that owners can help steer development path?
7) Will safenodes have cold wallet setup feature or will coins need to be in an online wallet?
I know much of this information may exist elsewhere and for that I apologise for missing it!
TIA.
1) What will be the primary function of safenodes?
To replace the PoW emissions system that SAFE currently has. 2) Will there be a lock-in period (contract) on the collateral within the safenode?
That is still to be determined. 3) What happens to POW / miners once safenodes release?
The PoW phase will continue for a grand total of roughly 10 years.4) Where will safenodes earnings come from?
The earnings will eventually come from our soon to be released DEX.5) What is the anticipated earnings (in SAFE) of a safenode?
That is still to be determined. 6) Will safenodes have an integrated voting feature so that owners can help steer development path?
We plan on packing the Safenodes with massive features over time. A voting system of some sorts will be one of them. 7) Will safenodes have cold wallet setup feature or will coins need to be in an online wallet?
The collateral will most likely mimic the way most coins have their master nodes set up. You will simply send the coins to an address from your downloaded wallet and always control your coins. 
