(My enrollment fee is good for 1 year of service).I explained at the time that my intent was to get a card or cards with 0% introductory rates, and then roll over my CC balances to new cards when the introductory rates expired in 12 months. 

You can continue to roll over for up to 5 years.If you cannot use the charitable deduction, you can sometimes sell the properties to a high income individual who CAN use them. 

We used 1031 exchange to roll over all the profits postponing taxes.

We used 1031 exchange to roll over all the profits and postpone taxes.

Through a 1031 Exchange, investors can roll over proceeds from the sale of a property into a DST without triggering immediate capital gains taxes.

Funding your account happens through a rollover, transfer, or personal contribution.

The Crazy Play to roll over in your head is this ..... there are Opportunity Zones 15 min from where this plant is gonna get built. 

It is possible to borrow from an employer plan like a 401(k).Some people claim to "borrow" from an IRA by executing a 60-day rollover.  

I want to roll over my former employer's 401K into a solo 401K so I can more flexibility wrt investments.

Yes, you can do both at the same time, ie 1) contract to purchase in the form of an option to buy within 24 months, with a 1-year rollover clause, and 2) lease for your preferred term, say 24 months.