Does the market indicate $369K is the correct price?

Property is rented with actual income of around $5,250/month (not including RV), with an appraisal in the $850K–$900K range.Has anyone closed on a similar setup, or know a lender comfortable with this type of rural/ADU configuration? 

National indicators are sending mixed signals—rising foreclosures, falling mortgage rates, uneven inventory recovery—while local markets are revealing very different stories on the ground.One of those local markets is the Coachella Valley (Palm Springs area), where I’m personally active as an investor and licensed agent.

There are a lot of signs the economy is struggling or over-priced (Buffett indicator, unaffordability, M-Score, etc.) but to assume we're on the precipice of an unparalleled meltdown is probably overblown.

These indicators show how stable the market is.

When we look at month's supply, which indicates how long it would take to sell all the currently available homes if no new listings were added, assuming current sales pace.

Waller’s policy style—favoring forecasts over lagging indicators—has reportedly impressed President Trump’s advisers.

Quote from @Dillon Ransome: If the loan was taken without your knowledge or consent, does this indicate fraud or a breach of fiduciary duty by a co-owner?

The post above gives you early indicators of various factors that a property owner may be going through in which if you contact them, you may help them with their situation, one of them being taking over their mortgage or just purchasing it (obviously doing your due diligence). 

The bottom line is that past performance is no indication of future earnings.