Fair Market Value: An appraisal term for the price for which a property would sell in a competitive market, given a willing seller and willing buyer, each having a reasonable knowledge of all pertinent facts, with neither being under any compulsion to buy or sell.

Basically write it that Betty is being removed from the lease as of xxx date and Joe is taking over all responsibilities of the signed lease dated xxx.

Management received your rent in the amount of $xxx on the 6th.

Maybe send them this link and explain that they are owed $xxx  maybe even mail it so the judge knows you weren’t withholding it.  

Don't pay an expensive advisor or manager, put the money in low cost funds to take advantage of national or international economic growth (consider Vanguard index funds or ETFs, or the Fidelity / Schwab / xxx equivalents).

The addendum would state that everything else in the lease dated xxx between xx and xx remains in full force.

(i.e. not a guest anymore. also riskiest approach, and not likely recommended) other option is to provide formal notice that she must leave the property. this means giving her 30 days notice. if she is not out by the end of april, you the have to hire an attorney to do an eviction. someone in this situation should not do it themselves to save money, as they likely have no idea what they are doing.option 3. cash for keys. they tell relative, if you take all your stuff out of the house by x date, and return key, and sign this paper agreeing that you vacated premises, you receive $XXX. money is only given if all terms are complied with.

Call JP 410-xxx

It really hurts when you attempt to save a $1.95 and it ends up costing you $x,xxx to dig out of the hole.

Call xxx-xxx-xxxx if you need help.